suck up vs cozy up

suck up and cozy up both are verbs.

Word	Noun	Adjective	Verb	Adverb
suck up	No	No	Yes	No
cozy up	No	No	Yes	No

As verbs, suck up and cozy up are synonyms defined as:

suck up and cozy up: ingratiate oneself to; often with insincere behavior

Other synonyms of suck up include cotton up, play up, shine up, sidle up.

suck up (verb)	cozy up (verb)
try to gain favor by cringing or flattering	ingratiate oneself to; often with insincere behavior
take in, also metaphorically
ingratiate oneself to; often with insincere behavior