hook spanner vs hook wrench

hook spanner and hook wrench both are nouns.

Word	Noun	Adjective	Verb	Adverb
hook spanner	Yes	No	No	No
hook wrench	Yes	No	No	No

As nouns, hook spanner and hook wrench are synonyms defined as:

hook spanner and hook wrench: a wrench with a hook that fits over a nut or bolt head

hook spanner (noun)	hook wrench (noun)
a wrench with a hook that fits over a nut or bolt head	a wrench with a hook that fits over a nut or bolt head