append vs supply

append is not a noun while supply is a noun.

Word	Noun	Adjective	Verb	Adverb
append	No	No	Yes	No
supply	Yes	No	Yes	No

As verbs, append and supply are synonyms defined as:

Other synonyms of append include add.

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

append (verb)	supply (verb)
state or say further	state or say further
fix to; attach	give what is desired or needed, especially support, food or sustenance
add to the very end	give something useful or necessary to
	circulate or distribute or equip with