-ess (female)
actress, princess, waitress, lioness, heiress
-ette (small version, feminine version)
cigarette, suffragette, bachelorette
-hood (state)
parenthood, motherhood, childhood, brotherhood, falsehood, neighborhood, womanhood
-ia (condition)
anorexia, bulimia, hypochondria, hysteria, anesthesia, euthanasia, hemophilia
-iatry (treatment)
podiatry, psychiatry
-ics, -istics (technology of, study of)
acoustics, mathematics, physics, ethics, politics, ballistics, linguistics, statistics
-ion, -sion, -tion (result, action, state)
opinion, dominion, revision, fusion, reversion, industrialization, organization, personification, magnification,declaration, celebration, information, elimination, combination, extinction
-ism (condition, belief)
alcoholism, communism, socialism, monotheism, fanaticism, egotism
-ist (one who specializes in)
dermatologist, optimist, optometrist, fascist, realist, artist, biologist, chemist, communist, guitarist, machinist, nationalist, organist, physicist, cartoonist, columnist, bicyclist, violinist, terrorist
-itis (inflammation)
appendicitis, arthritis, bronchitis, hepatitis
-ity, -ty (state)
equality, abnormality, probability, civility, stupidity, curiosity, mobility, reality, tranquility, activity, honesty, difficulty, safety, cruelty, subtlety, loyalty, modesty, certainty, formality, parity, veracity, conformity, exclusivity
-ium (chemical element)
barium, helium, calcium, potassium
-ling (smaller thing)
duckling, hatchling, sapling
-ment (state)
retirement, establishment, movement, abandonment, ailment, fragment, government
-ness (state)
awareness, kindness, darkness, fondness, happiness, truthfulness, sleepiness, usefulness, correctness, helpfulness, wellness
-oid : resemblance
android, anthropoid, geoid, opioid, rhizoid
-ology (study of)
anthropology, biology, entomology, psychology, etymology, morphology
-ose (sugar ending)
fructose, glucose, lactose, ribose
-ship (position held, state)
courtship, ownership, internship, worship. partnership, membership, friendship, readership, relationship, scholarship
-sis (state, analysis, disease)
analysis, paralysis, psoriasis, prognosis, thrombosis, neurosis, psychosis, metastasis, dialisis, urinalysis
-ster (person associated with)
gangster, mobster, youngster
-th (state)
strength, labyrinth, length, birth, death, depth, growth, warmth, width, tenth, hundredth, thousandth, millionth
-tomy (cut out)
appendectomy, thyroidectomy, tonsillectomy, vasectomy, lobotomy
-tude (state)
fortitude, beatitude, certitude, multitude, longitude, latitude
-ure (action, process)
failure, pressure, procedure, legislature, departure, enclosure