-acy

aristocracy, democracy, privacy, supremacy

-ance, -ence

assistance, dependence, independence, science

-ancy, -ency

emergency, delinquency, infancy, vacancy

-dom

boredom, freedom, kingdom, wisdom

-er,-or

computer, stapler, writer, counselor

-hood

brotherhood, childhood, motherhood, neighborhood

-ism

Buddhism, communism, journalism, perfectionism

-ist

chemist, dermatologist, pianist, socialist

-ity, -ety, -ty

liberty, unity, society, variety

-ment

enjoyment, environment, government, replacement

-ness

forgetfulness, goodness, happiness, sadness

-ship

courtship, friendship, membership, partnership

-sion, -tion, -ion

admission, immigration, pollution, vacation

-ate

anticipate, complicate, cooperate, reiterate

-ify

amplify, mystify, quantify, terrify

-ize

computerize, demonize, maximize, publicize

-able, -ible

drinkable, edible, forgivable, legible

-al

functional, legal, physical, visual

-ent, -ient

obedient, salient, sentient, silent

-ful

beautiful, hopeful, powerful, regretful

-ic

automatic, egocentric, poetic, systematic

-ive

active, extensive, passive, productive

-less

fruitless, harmless, homeless, useless

-ous, -ious

delicious, delirious, gracious, mysterious

-ly

easily, convincingly, hopefully, quickly