crochet hook vs crochet needle

crochet hook and crochet needle both are nouns.

Word	Noun	Adjective	Verb	Adverb
crochet hook	Yes	No	No	No
crochet needle	Yes	No	No	No

As nouns, crochet hook and crochet needle are synonyms defined as:

crochet hook and crochet needle: a needle with a hook on the end; used in crocheting

crochet hook (noun)	crochet needle (noun)
a needle with a hook on the end; used in crocheting	a needle with a hook on the end; used in crocheting