a - third person singular of avoir (to have)
à - (preposition) to, at, in

acre - acre
âcre - (adjective) acrid, pungent

âge - age
âgé - (adjective) old

aie - first person singular subjunctive and second person singular imperative of avoir
aïe - (interjection) ouch

arriéré - (adjective) overdue, backward; (noun) backlog, arrears
arrière - back, stern, rear, aft

bronze - bronze object
bronzé - past participle of bronzer (to tan, bronze)

ça - (indefinite demonstrative pronoun) that, it
çà et là - here and there

colle - glue
collé - past participle of coller (to glue)

congres - eels
congrès - conference, congress

cote - quotation, quoted value, rating
coté - highly thought of / rated (past participle of côter)
côte - rib, slope, coastline
côté - side

cure - cure, treatment
curé - priest; past participle of curer (to clean out)

crêpe - crepe (thin pancake), crepe paper
crêpé - past participle of crêper (to backcomb, crimp)

de - (preposition) of, from
dé - thimble, die

des - (indefinite article, partitive article) some; contraction of de + les
dès - (preposition) from

différent - different
diffèrent - third person plural conjugation of différer (to differ)

du - contraction of de + le
dû - past participle of devoir (to have to)