joggle vs holdfast

joggle and holdfast both are nouns.

Word	Noun	Adjective	Verb	Adverb
joggle	Yes	No	Yes	No
holdfast	Yes	No	No	No

As nouns, holdfast is a hypernym of joggle; that is, holdfast is a word with a broader meaning than joggle:

joggle: a fastener that is inserted into holes in two adjacent pieces and holds them together
holdfast: restraint that attaches to something or holds something in place

Other hypernyms of joggle include fastener, fastening, fixing.

joggle (noun)	holdfast (noun)
a slight irregular shaking motion	restraint that attaches to something or holds something in place
a fastener that is inserted into holes in two adjacent pieces and holds them together

joggle (verb)	holdfast (verb)
fasten or join with a joggle
move to and fro