dethaw vs thaw

dethaw is not a noun while thaw is a noun.

Word	Noun	Adjective	Verb	Adverb
dethaw	No	No	Yes	No
thaw	Yes	No	Yes	No

As verbs, dethaw and thaw are synonyms defined as:

Other synonyms of dethaw include dissolve, melt, unfreeze, unthaw.

dethaw (noun)	thaw (noun)
	a relaxation or slackening of tensions or reserve; becoming less hostile
	warm weather following a freeze; snow and ice melt
	the process whereby heat changes something from a solid to a liquid

dethaw (verb)	thaw (verb)
become or cause to become soft or liquid	become or cause to become soft or liquid