turn in vs get in

turn in and get in both are verbs.

Word	Noun	Adjective	Verb	Adverb
turn in	No	No	Yes	No
get in	No	No	Yes	No

As verbs, get in is a hypernym of turn in; that is, get in is a word with a broader meaning than turn in:

Other hypernyms of turn in include come in, enter, get into, go in, go into, move into.

turn in (verb)	get in (verb)
prepare for sleep	of trains; move into (a station)
carry out (performances)	to come or go into
make an entrance by turning from a road	secure a place in a college, university, etc.
to surrender someone or something to another	succeed in a big way; get to the top