fasten vs glue

fasten is not a noun while glue is a noun.

Word	Noun	Adjective	Verb	Adverb
fasten	No	No	Yes	No
glue	Yes	No	Yes	No

As verbs, glue is a hyponym of fasten; that is, glue is a word with a more specific, narrower meaning than fasten:

Other hyponyms of fasten include stick, stick, stick.

fasten (noun)	glue (noun)
	cement consisting of a sticky substance that is used as an adhesive

fasten (verb)	glue (verb)
make tight or tighter	be fixed as if by glue
become fixed or fastened	join or attach with or as if with glue
cause to be firmly attached
attach to