melting vs thawing

melting and thawing both are nouns.

Word	Noun	Adjective	Verb	Adverb
melting	Yes	Yes	No	No
thawing	Yes	No	No	No

As nouns, melting and thawing are synonyms defined as:

melting and thawing: the process whereby heat changes something from a solid to a liquid

Other synonyms of melting include melt, thaw.

melting (noun)	thawing (noun)
the process whereby heat changes something from a solid to a liquid	warm weather following a freeze; snow and ice melt
	the process whereby heat changes something from a solid to a liquid

melting (adjective)	thawing (adjective)
becoming liquid