Affixes

anti-

against (e.g., antibiotic)

auto-

self (e.g., automatic)

de-

opposite (e.g., debunk)

dis-

opposite or against (e.g., disagree)

en(m)-

cause to (e.g., embrace)

extra-

beyond (e.g., extraordinary)

fore-

before (e.g., forecast)

inter-

between (e.g., interact)

in-/im-/il-

not (e.g., injustice)

mega-

very big, important (e.g., megadose)

mid-

middle (e.g., midway)

mis-

wrongly (e.g., misinterpret)

non-

not (e.g., nonsense)

over-

too much (e.g., overcharge)

pre-

before (e.g., precautionary)

re-

again (e.g., readjust)

semi-

half (e.g., semicircle)

super-

above, beyond (e.g., superlative)

sub-

under (e.g., subway)

trans-

across (e.g., transport)

un-

remove, reverse, not (e.g., unhappy)

able/-ible

can be done (e.g., approachable)

-age

action, state, process (e.g., package)

-al

act or process of (e.g., refusal)

-ant

inclined or tending to (e.g., brilliant)

-ate

become (e.g., complicate)

-en

made of (e.g., wooden)

-esque

reminiscent of (e.g., picturesque)

-ic

having characteristics of (e.g., spasmatic)

-ify/-ifty

make or become (e.g., terrify)

-ion/-tion/-ation/-ition

act, process (e.g., experimentation)

-ish

having the quality of (e.g., childish)

-ism

doctrine, belief (e.g., feminism)

-ity/ty

state of (e.g., reality)

-less

without (e.g., endless)

-ment

action or process of (e.g., enjoyment)

-ness

state or condition of (e.g., happiness)

-ous/-eous/-ious

possessing the qualities of (e.g., courageous)

-ship

position held (e.g., leadership)

-ure

action or resulting state (e.g., pressure)

-ward

direction (e.g., backward)