clasp vs clench

clasp and clench both are nouns.

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

As nouns, clasp and clench are synonyms defined as:

Other synonyms of clasp include clutch, clutches, grasp, grip, hold.

clasp (noun)	clench (noun)
the act of grasping	the act of grasping
a fastener (as a buckle or hook) that is used to hold two things together	a small slip noose made with seizing

clasp (verb)	clench (verb)
hold firmly and tightly	hold in a tight grasp
grasp firmly	squeeze together tightly
fasten with a buckle or buckles
fasten with or as if with a brooch