-able
-ible

can be done

moveable, doable
divisible, eligible

-age

a collection or condition

coverage, shortage

-ance
-ence

state or condition

appearance, brilliance
difference, dependence

-ant
-ent

promoting

applicant, defendant
accident, different

-ation
-ion
-tion
-ition

action or process

separation, starvation
union, creation
relation, temptation
expedition, extradition

-ed

past tense verbs

cleaned, screamed

-er
-or

one who

painter, teacher
juror, tailor

-er

comparative

faster, happier

-es
-s

more than one

dishes, wishes
pans, rocks

-est

comparative

fastest, happiest

-ful

full of

wonderful, harmful

-ician
-ist

one who practices

magician, physician
artist, novelist

-ing

verb form/present participle

dancing, running

-ive

a tendency towards

detective, creative

-ize

to become

sterilize, itemize

-less

without

fearless, flawless

-ly

characteristic of

frankly, timidly

-ment

action or process

refreshment, advancement

-ness

state of, condition of

darkness, kindness

-ous
-eous
-ious

possessing the qualities of

joyous, poisonous
righteous, courteous
hilarious, religious