turn over vs debate

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

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

As verbs, turn over and debate are synonyms defined as:

Other synonyms of turn over include consider, deliberate, moot.

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

Other hyponyms of turn over include see, premeditate, wrestle, think twice.

turn over (noun)	debate (noun)
	the formal presentation of a stated proposition and the opposition to it (usually followed by a vote)
	a discussion in which reasons are advanced for and against some proposition or proposal

turn over (verb)	debate (verb)
think about carefully; weigh	argue with one another
turn up, loosen, or remove earth	discuss the pros and cons of an issue
turn upside down, or throw so as to reverse	have an argument about something
turn from an upright or normal position	think about carefully; weigh
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