hold tight vs snuggle

hold tight is not a noun while snuggle is a noun.

Word	Noun	Adjective	Verb	Adverb
hold tight	No	No	Yes	No
snuggle	Yes	No	Yes	No

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

Other hyponyms of hold tight include cuddle, draw close, nest, nestle, nuzzle.

hold tight (noun)	snuggle (noun)
	a close and affectionate (and often prolonged) embrace

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