liquefy vs melt

liquefy is not a noun while melt is a noun.

Word	Noun	Adjective	Verb	Adverb
liquefy	No	No	Yes	No
melt	Yes	No	Yes	No

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

Other hyponyms of liquefy include condense, distil, distill, dethaw, dissolve, thaw, unfreeze, unthaw, fuse.

liquefy (noun)	melt (noun)
	the process whereby heat changes something from a solid to a liquid

liquefy (verb)	melt (verb)
become liquid or fluid when heated	become or cause to become soft or liquid
make (a solid substance) liquid, as by heating	reduce or cause to be reduced from a solid to a liquid state, usually by heating
become liquid	lose its distinct outline or shape; blend gradually
	become more relaxed, easygoing, or genial
	become less clearly visible or distinguishable; disappear gradually or seemingly
	become less intense and fade away gradually