part vs turn

part and turn both are nouns.

Word	Noun	Adjective	Verb	Adverb
part	Yes	No	Yes	Yes
turn	Yes	No	Yes	No

As nouns, turn is a hyponym of part; that is, turn is a word with a more specific, narrower meaning than part:

part: one of the portions into which something is regarded as divided and which together constitute a whole
turn: (sports) a division of a game during which one team is on the offensive

part (noun)	turn (noun)
the actions and activities assigned to or required or expected of a person or group	the act of changing or reversing the direction of the course
the effort contributed by a person in bringing about a result	the act of turning away or in the opposite direction
something less than the whole of a human artifact	taking a short walk out and back
an item that is an instance of some type	a favor for someone
a line of scalp that can be seen when sections of hair are combed in opposite directions	(game) the activity of doing something in an agreed succession
one of the portions into which something is regarded as divided and which together constitute a whole	turning or twisting around (in place)
an actor's portrayal of someone in a play	a short performance that is part of a longer program
that which concerns a person with regard to a particular role or situation	a movement in a new direction
the melody carried by a particular voice or instrument in polyphonic music	an unforeseen development
the extended spatial location of something	a circular segment of a curve
a portion of a natural object	(sports) a division of a game during which one team is on the offensive
assets belonging to or due to or contributed by an individual person or group	a time period for working (after which you will be relieved by someone else)
something determined in relation to something that includes it

part (verb)	turn (verb)
move or break apart	twist suddenly so as to sprain
force, take, or pull apart	change to the contrary
depart for someplace	go sour or spoil
go one's own way; move apart	pass into a condition gradually, take on a specific property or attribute; become
discontinue an association or relation; go different ways	undergo a transformation or a change of position or action
	change color
	become officially one year older
	have recourse to or make an appeal or request for help or information to
	direct at someone
	shape by rotating on a lathe or cutting device or a wheel
	let (something) fall or spill from a container
	alter the functioning or setting of
	cause (an object) to assume a crooked or angular form
	to break and turn over earth especially with a plow
	to change orientation or direction
	cause to move around a center so as to show another side of
	cause to move around or rotate
	pass to the other side of
	move around an axis or a center
	to send or let go
	cause to move along an axis or into a new direction
	channel one's attention, interest, thought, or attention toward or away from something
	get by buying and selling
	accomplish by rotating
	undergo a change or development
	cause to change or turn into something different;assume new characteristics

part (adverb)	turn (adverb)
to some extent; in some degree; not wholly