send vs turn

send is not a noun while turn is a noun.

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

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

send: cause to go somewhere
turn: channel one's attention, interest, thought, or attention toward or away from something

Other hyponyms of send include cast, contrive, project, throw, divert, route, refer, airt, redirect, blow.

send (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)

send (verb)	turn (verb)
cause to be directed or transmitted to another place	twist suddenly so as to sprain
transfer	change to the contrary
broadcast over the airwaves, as in radio or television	go sour or spoil
assign to a station	pass into a condition gradually, take on a specific property or attribute; become
to cause or order to be taken, directed, or transmitted to another place	undergo a transformation or a change of position or action
transport commercially	change color
cause to go somewhere	become officially one year older
cause to be admitted; of persons to an institution	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