-able

(capable, tolerable)

-age

(passage, bondage)

-ance

(acceptance, vigilance)

-arch

(monarch)

-ard

(drunkard, wizard)

-ate

(separate, desolate)

-ation

(occupation, starvation)

-cy

(accuracy, captaincy)

-dom

(serfdom, wisdom)

-en

(deepen, strengthen)

-er

(teacher)

-esce

(convalesce, aquiesce)

-esque

(picturesque, grotesque)

-ess

(waitress, lioness)

-fic

(terrific, beatific)

-ful

(thankful, zestful)

-fy

(glorify, fortify)

-hood

(manhood, statehood)

-ible

(edible, possible, divisible)

-ion

(union, fusion)

-ish

(churlish, childish)

-ism

(barbarism, socialism)

-ist

(monopolist, socialist)

-ition

(sedition, expedition)

-ity

(acidity, civility)

-ize

(sterilize, mechanize, criticize)

-less

(hopeless, countless)

-like

(childlike, dreamlike)

-logue

(prologue)

-ly

(friendly, positively)

-ment

(refreshment, disappointment)

-ness

(greatness, tallness)

-or

(juror, elevator, honor)

-ous

(religious, riotous)

-ship

(statesmanship)

-some

(tiresome, lonesome)

-th

(warmth, width)

-tude

(magnitude, fortitude)

-ty

(enmity, activity)

-ward

(backward, homeward)