creepy-crawly vs creature

creepy-crawly and creature both are nouns.

Word	Noun	Adjective	Verb	Adverb
creepy-crawly	Yes	Yes	No	No
creature	Yes	No	No	No

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

creepy-crawly: an animal that creeps or crawls (such as worms or spiders or insects)
creature: a living organism characterized by voluntary movement

Other hypernyms of creepy-crawly include animal, animate being, beast, brute, fauna.

creepy-crawly (noun)	creature (noun)
an animal that creeps or crawls (such as worms or spiders or insects)	a living organism characterized by voluntary movement
	a living being
	a person who is controlled by others and is used to perform unpleasant or dishonest tasks for someone else

creepy-crawly (adjective)	creature (adjective)
causing a sensation as of things crawling on your skin