apiece vs each

apiece is not an adjective while each is an adjective.

Word	Noun	Adjective	Verb	Adverb
apiece	No	No	No	Yes
each	No	Yes	No	Yes

As adverbs, apiece and each are synonyms defined as:

apiece and each: to or from every one of two or more (considered individually)

Other synonyms of apiece include for each one, from each one, to each one.

apiece (adjective)	each (adjective)
	(used of count nouns) every one considered individually; quantifier, singular, universal pronoun; quantifier, singular, universal

apiece (adverb)	each (adverb)
to or from every one of two or more (considered individually)	to or from every one of two or more (considered individually)