statue vs herm

statue and herm both are nouns.

Word	Noun	Adjective	Verb	Adverb
statue	Yes	No	No	No
herm	Yes	No	No	No

As nouns, herm is a hyponym of statue; that is, herm is a word with a more specific, narrower meaning than statue:

statue: a sculpture representing a human or animal
herm: a statue consisting of a squared stone pillar with a carved head (usually a bearded Hermes) on top; used in ancient Greece as a boundary marker or signpost

Other hyponyms of statue include nude, nude sculpture, nude statue, Olympian Zeus, sphinx, term, terminal figure, terminus.

statue (noun)	herm (noun)
a sculpture representing a human or animal	a statue consisting of a squared stone pillar with a carved head (usually a bearded Hermes) on top; used in ancient Greece as a boundary marker or signpost