stick on vs attach

stick on and attach both are verbs.

Word	Noun	Adjective	Verb	Adverb
stick on	No	No	Yes	No
attach	No	No	Yes	No

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

stick on (verb)	attach (verb)
stick or fasten to	become attached
apply a heavy coat to	cause to be attached
	be attached; be in contact with
	take temporary possession of as a security, by legal authority
	create social or emotional ties