cling to vs snuggle

cling to is not a noun while snuggle is a noun.

Word	Noun	Adjective	Verb	Adverb
cling to	No	No	Yes	No
snuggle	Yes	No	Yes	No

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

Other hyponyms of cling to include cuddle, draw close, nest, nestle, nuzzle.

cling to (noun)	snuggle (noun)
	a close and affectionate (and often prolonged) embrace

cling to (verb)	snuggle (verb)
hold firmly, usually with one's hands	move or arrange oneself in a comfortable and cozy position
	position comfortably