get on vs turn

get on is not a noun while turn is a noun.

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

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

Other hyponyms of get on include fossilise, fossilize, dote.

get on (noun)	turn (noun)
	the act of changing or reversing the direction of the course
	the act of turning away or in the opposite direction
	taking a short walk out and back
	a favor for someone
	(game) the activity of doing something in an agreed succession
	turning or twisting around (in place)
	a short performance that is part of a longer program
	a movement in a new direction
	an unforeseen development
	a circular segment of a curve
	(sports) a division of a game during which one team is on the offensive
	a time period for working (after which you will be relieved by someone else)

get on (verb)	turn (verb)
develop in a positive way	twist suddenly so as to sprain
appear in a show, on T.V. or radio	change to the contrary
grow old or older	go sour or spoil
get up on the back of	pass into a condition gradually, take on a specific property or attribute; become
grow late or (of time) elapse	undergo a transformation or a change of position or action
get on board of (trains, buses, ships, aircraft, etc.)	change color
have smooth relations	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