melt vs meltable

melt is a noun but meltable is not a noun.

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

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

melt (adjective)	meltable (adjective)
	capable of melting

melt (verb)	meltable (verb)
become or cause to become soft or liquid
reduce or cause to be reduced from a solid to a liquid state, usually by heating
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