shrew vs insectivore

shrew and insectivore both are nouns.

Word	Noun	Adjective	Verb	Adverb
shrew	Yes	No	No	No
insectivore	Yes	No	No	No

As nouns, insectivore is a hypernym of shrew; that is, insectivore is a word with a broader meaning than shrew:

shrew: small mouselike mammal with a long snout; related to moles
insectivore: small insect-eating mainly nocturnal terrestrial or fossorial mammals

shrew (noun)	insectivore (noun)
small mouselike mammal with a long snout; related to moles	small insect-eating mainly nocturnal terrestrial or fossorial mammals
a scolding nagging bad-tempered woman	any organism that feeds mainly on insects