ape vs aper

ape and aper both are nouns.

Word	Noun	Adjective	Verb	Adverb
ape	Yes	No	Yes	No
aper	Yes	No	No	No

As nouns, ape and aper are synonyms defined as:

Other synonyms of ape include copycat, emulator, imitator.

ape (noun)	aper (noun)
any of various primates with short tails or no tail at all	someone who copies the words or behavior of another
person who resembles a nonhuman primate
someone who copies the words or behavior of another

ape (verb)	aper (verb)
represent in or produce a caricature of
imitate uncritically and in every aspect