choke hold vs clench

choke hold and clench both are nouns.

Word	Noun	Adjective	Verb	Adverb
choke hold	Yes	No	No	No
clench	Yes	No	Yes	No

As nouns, clench is a hypernym of choke hold; that is, clench is a word with a broader meaning than choke hold:

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

Other hypernyms of choke hold include clasp, clutch, clutches, grasp, grip, hold.

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

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