grasp vs cling

grasp and cling both are nouns.

Word	Noun	Adjective	Verb	Adverb
grasp	Yes	No	Yes	No
cling	Yes	No	Yes	No

As verbs, cling is a hyponym of grasp; that is, cling is a word with a more specific, narrower meaning than grasp:

Other hyponyms of grasp include latch on, hang, clasp.

grasp (noun)	cling (noun)
the act of grasping	fruit (especially peach) whose flesh adheres strongly to the pit
an intellectual hold or understanding
understanding of the nature or meaning or quality or magnitude of something
the limit of capability

grasp (verb)	cling (verb)
get the meaning of something	come or be in close contact with; stick or hold together and resist separation
hold firmly	hold on tightly or tenaciously
	to remain emotionally or intellectually attached