12-Letter Nouns Ending With S

Here's the list of all the 8480 12-Letter Nouns Ending With S in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Nouns (with Definitions and Examples)
instructions
1. a manual usually accompanying a technical device and explaining how to install or operate it
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transactions
1. a written account of what transpired at a meeting
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headquarters
1. (usually plural) the office that serves as the administrative center of an enterprise
2. the military installation from which a commander performs the functions of command
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fundamentals
1. principles from which other truths can be derived
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simultaneousMore Definitions →
surroundings
1. the environmental condition
2. the area in which something exists or lives
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preparedness
1. the state of having been made ready or prepared for use or action (especially military action)
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tuberculosis
1. infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)
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completeness
1. the state of being complete and entire; having everything that is needed
2. (logic) an attribute of a logical system that is so constituted that a contradiction arises if any proposition is introduced that cannot be derived from the axioms of the system
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osteoporosis
1. abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium; most common in postmenopausal women
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biosynthesis
1. production of a chemical compound by a living organism
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homelessness
1. the state or condition of having no home (especially the state of living in the streets)
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astrophysics
1. the branch of astronomy concerned with the physical and chemical properties of celestial bodies
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therapeutics
1. branch of medicine concerned with the treatment of disease
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indebtedness
1. an obligation to pay money to another party
2. a personal relation in which one is indebted for a service or favor
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pathogenesis
1. the origination and development of a disease
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agribusiness
1. a large-scale farming enterprise
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econometrics
1. the application of mathematics and statistics to the study of economic and financial data
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subconscious
1. psychic activity just below the level of awareness
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friendliness
1. a feeling of liking for another person; enjoyment in their company
2. a friendly disposition
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encephalitis
1. inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use)
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orthopaedics
1. the branch of medical science concerned with disorders or deformities of the spine and joints
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conveniences
1. things that make you comfortable and at ease
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electrolysis
1. (chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions
2. removing superfluous or unwanted hair by passing an electric current through the hair root
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pancreatitis
1. inflammation of the pancreas; usually marked by abdominal pain
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faithfulness
1. the quality of being faithful
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orthodontics
1. the branch of dentistry dealing with the prevention or correction of irregularities of the teeth
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angiogenesis
1. the formation of new blood vessels
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aerodynamics
1. the branch of mechanics that deals with the motion of gases (especially air) and their effects on bodies in the flow
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hemodialysis
1. dialysis of the blood to remove toxic substances or metabolic wastes from the bloodstream; used in the case of kidney failure
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hypothalamus
1. a basal part of the diencephalon governing autonomic nervous system
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restlessness
1. the quality of being ceaselessly moving or active
2. a lack of patience; irritation with anything that causes delay
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hopelessness
1. the despair you feel when you have abandoned hope of comfort or success
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streptomyces
1. aerobic bacteria (some of which produce the antibiotic streptomycin)
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helplessness
1. powerlessness revealed by an inability to act
2. the state of needing help from something
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truthfulness
1. the quality of being truthful
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astronautics
1. the theory and practice of navigation through air or space
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appendicitis
1. inflammation of the vermiform appendix
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endocarditis
1. inflammation of the endocardium and heart valves
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carelessness
1. the quality of not being careful or taking pains
2. failure to act with the prudence that a reasonable person would exercise under the same circumstances
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hermeneutics
1. the branch of theology that deals with principles of exegesis
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pyrotechnics
1. (music) brilliance of display (as in the performance of music)
2. the craft of making fireworks
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selflessness
1. the quality of unselfish concern for the welfare of others
2. acting with less concern for yourself than for the success of the joint activity
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hippopotamus
1. massive thick-skinned herbivorous animal living in or around rivers of tropical Africa
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phagocytosis
1. process in which phagocytes engulf and digest microorganisms and cellular debris; an important defense against infection
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togetherness
1. affectionate closeness
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thoroughness
1. conscientiousness in performing all aspects of a task
2. property of being marked by full detail, complete in all respects.
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periodontics
1. the branch of dentistry dealing with diseases of the gums and other structures around the teeth
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cytogenetics
1. the branch of biology that studies the cellular aspects of heredity (especially the chromosomes)
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recklessness
1. the trait of giving little thought to danger
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cohesiveness
1. the state of cohering or sticking together
2. the property of being cohesive and sticky
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cheerfulness
1. the quality of being cheerful and dispelling gloom
2. a feeling of spontaneous good spirits
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stubbornness
1. the trait of being difficult to handle or overcome
2. resolute adherence to your own ideas or desires
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pericarditis
1. inflammation of the pericardium
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thankfulness
1. warm friendly feelings of gratitude
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thrombolysis
1. the process of breaking up and dissolving blood clots
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hemodynamics
1. the branch of physiology that studies the circulation of the blood and the forces involved
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backwardness
1. lack of normal development of intellectual capacities
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headmistress
1. a woman headmaster
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heartstrings
1. your deepest feelings of love and compassion
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neurogenesis
1. the development of nerve tissues
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12-Letter Nouns Ending With S