clench vs inside clinch

clench and inside clinch both are nouns.

Word	Noun	Adjective	Verb	Adverb
clench	Yes	No	Yes	No
inside clinch	Yes	No	No	No

As nouns, inside clinch is a hyponym of clench; that is, inside clinch is a word with a more specific, narrower meaning than clench:

Other hyponyms of clench include double clinch, outside clinch.

clench (noun)	inside clinch (noun)
the act of grasping	a clinch with the end of the line inside the loop
a small slip noose made with seizing

clench (verb)	inside clinch (verb)
hold in a tight grasp
squeeze together tightly