clench vs chokehold

clench and chokehold both are nouns.

Word	Noun	Adjective	Verb	Adverb
clench	Yes	No	Yes	No
chokehold	Yes	No	No	No

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

clench: the act of grasping
chokehold: a restraining hold; someone loops the arm around the neck of another person in a tight grip, usually from behind

Other hyponyms of clench include choke hold, embrace, embracement, embracing, wrestling hold.

clench (noun)	chokehold (noun)
the act of grasping	a restraining hold; someone loops the arm around the neck of another person in a tight grip, usually from behind
a small slip noose made with seizing	complete power over a person or situation

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