back away vs crawfish out

back away and crawfish out both are verbs.

Word	Noun	Adjective	Verb	Adverb
back away	No	No	Yes	No
crawfish out	No	No	Yes	No

As verbs, back away and crawfish out are synonyms defined as:

back away and crawfish out: make a retreat from an earlier commitment or activity

Other synonyms of back away include back out, crawfish, pull back, pull in one's horns, retreat, withdraw.

back away (verb)	crawfish out (verb)
make a retreat from an earlier commitment or activity	make a retreat from an earlier commitment or activity