append vs attach

append and attach both are verbs.

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

As verbs, attach is a hypernym of append; that is, attach is a word with a broader meaning than append:

As verbs, attach is a hypernym of append; that is, attach is a word with a broader meaning than append:

append (verb)	attach (verb)
state or say further	become attached
fix to; attach	cause to be attached
add to the very end	be attached; be in contact with
	take temporary possession of as a security, by legal authority
	create social or emotional ties