creeper vs crawler

creeper and crawler both are nouns.

Word	Noun	Adjective	Verb	Adverb
creeper	Yes	No	No	No
crawler	Yes	No	No	No

As nouns, creeper and crawler are synonyms defined as:

creeper (noun)	crawler (noun)
any of various small insectivorous birds of the Northern Hemisphere that climb up a tree trunk supporting themselves on stiff tail feathers and their feet	terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
a person who crawls or creeps along the ground	a person who tries to please someone in order to gain a personal advantage
any plant (as ivy or periwinkle) that grows by creeping	a person who crawls or creeps along the ground