cringle vs holdfast

cringle and holdfast both are nouns.

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

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

cringle: fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines
holdfast: restraint that attaches to something or holds something in place

Other hypernyms of cringle include fastener, fastening, fixing.

cringle (noun)	holdfast (noun)
fastener consisting of a metal ring for lining a small hole to permit the attachment of cords or lines	restraint that attaches to something or holds something in place