toggle bolt vs fastening

toggle bolt and fastening both are nouns.

Word	Noun	Adjective	Verb	Adverb
toggle bolt	Yes	No	No	No
fastening	Yes	No	No	No

As nouns, fastening is a hypernym of toggle bolt; that is, fastening is a word with a broader meaning than toggle bolt:

toggle bolt: a fastener consisting of a threaded bolt and a hinged spring-loaded toggle; used to fasten objects to hollow walls
fastening: restraint that attaches to something or holds something in place

Other hypernyms of toggle bolt include fastener, fixing, holdfast.

toggle bolt (noun)	fastening (noun)
a fastener consisting of a threaded bolt and a hinged spring-loaded toggle; used to fasten objects to hollow walls	the act of fastening things together
	restraint that attaches to something or holds something in place