top out vs supply

top out is not a noun while supply is a noun.

Word	Noun	Adjective	Verb	Adverb
top out	No	No	Yes	No
supply	Yes	No	Yes	No

As verbs, supply is a hypernym of top out; that is, supply is a word with a broader meaning than top out:

Other hypernyms of top out include furnish, offer, provide, render.

top out (noun)	supply (noun)
	the activity of supplying or providing something
	offering goods and services for sale
	an amount of something available for use

top out (verb)	supply (verb)
to reach the highest point; attain maximum intensity, activity	state or say further
provide with a top or finish the top (of a structure)	give what is desired or needed, especially support, food or sustenance
give up one's career just as one becomes very successful	give something useful or necessary to
	circulate or distribute or equip with