linger vs stick around

linger and stick around both are verbs.

Word	Noun	Adjective	Verb	Adverb
linger	No	No	Yes	No
stick around	No	No	Yes	No

As verbs, stick around is a hypernym of linger; that is, stick around is a word with a broader meaning than linger:

Other hypernyms of linger include persist, remain, stay, stay put, stick.

linger (verb)	stick around (verb)
take one's time; proceed slowly	be in a certain place and not leave
leave slowly and hesitantly	be available or ready for a certain function or service
be about a place without any apparent purpose
to hang about in a place beyond the proper or usual time
remain present although waning or gradually dying