thaw vs deice

thaw is a noun but deice is not a noun.

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

As verbs, deice is a hyponym of thaw; that is, deice is a word with a more specific, narrower meaning than thaw:

Other hyponyms of thaw include deliquesce, de-ice, defrost.

thaw (noun)	deice (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

thaw (verb)	deice (verb)
become or cause to become soft or liquid	make or become free of frost or ice