turn over vs burrow

turn over is not a noun while burrow is a noun.

Word	Noun	Adjective	Verb	Adverb
turn over	No	No	Yes	No
burrow	Yes	No	Yes	No

As verbs, burrow is a hyponym of turn over; that is, burrow is a word with a more specific, narrower meaning than turn over:

Other hyponyms of turn over include furrow, groove, rut, root, rootle, rout, spade, shovel, trowel, tunnel.

turn over (noun)	burrow (noun)
	a hole made by an animal, usually for shelter

turn over (verb)	burrow (verb)
think about carefully; weigh	move through by or as by digging
turn up, loosen, or remove earth
turn upside down, or throw so as to reverse
turn from an upright or normal position
cause to overturn from an upright or normal position
move by turning over or rotating
cause to move around a center so as to show another side of
place into the hands or custody of
do business worth a certain amount of money