varmint vs creature

varmint and creature both are nouns.

Word	Noun	Adjective	Verb	Adverb
varmint	Yes	No	No	No
creature	Yes	No	No	No

As nouns, creature is a hypernym of varmint; that is, creature is a word with a broader meaning than varmint:

varmint: any usually predatory wild animal considered undesirable; e.g., coyote
creature: a living organism characterized by voluntary movement

Other hypernyms of varmint include animal, animate being, beast, brute, fauna.

varmint (noun)	creature (noun)
any usually predatory wild animal considered undesirable; e.g., coyote	a living organism characterized by voluntary movement
an irritating or obnoxious person	a living being
	a person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else