linger vs linger over

linger and linger over both are verbs.

Word	Noun	Adjective	Verb	Adverb
linger	No	No	Yes	No
linger over	No	No	Yes	No

linger (verb)	linger over (verb)
take one's time; proceed slowly	delay
leave slowly and hesitantly
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