turn over vs turnover

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

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

turn over (noun)	turnover (noun)
	the act of upsetting something
	the volume measured in dollars
	a dish made by folding a piece of pastry over a filling
	the ratio of the number of workers that had to be replaced in a given time period to the average number of workers

turn over (verb)	turnover (verb)
think about carefully; weigh
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