shift vs turn

shift and turn both are nouns.

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

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

shift: the time period during which you are at work
turn: a time period for working (after which you will be relieved by someone else)

shift (noun)	turn (noun)
the act of moving from one place to another	the act of changing or reversing the direction of the course
the act of changing one thing or position for another	the act of turning away or in the opposite direction
a loose-fitting dress hanging straight from the shoulders without a waist	taking a short walk out and back
a woman's sleeveless undergarment	a favor for someone
the key on the typewriter keyboard that shifts from lower-case letters to upper-case letters	(game) the activity of doing something in an agreed succession
an event in which something is displaced without rotation	turning or twisting around (in place)
a qualitative change	a short performance that is part of a longer program
a crew of workers who work for a specific period of time	a movement in a new direction
(geology) a crack in the earth's crust resulting from the displacement of one side with respect to the other	an unforeseen development
the time period during which you are at work	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)

shift (verb)	turn (verb)
make a shift in or exchange of	twist suddenly so as to sprain
move and exchange for another	change to the contrary
lay aside, abandon, or leave for another	go sour or spoil
move from one setting or context to another	pass into a condition gradually, take on a specific property or attribute; become
change in quality	undergo a transformation or a change of position or action
change gears	change color
change phonetically as part of a systematic historical change	become officially one year older
use a shift key on a keyboard	have recourse to or make an appeal or request for help or information to
change place or direction	direct at someone
move very slightly	shape by rotating on a lathe or cutting device or a wheel
move around	let (something) fall or spill from a container
move abruptly	alter the functioning or setting of
move sideways or in an unsteady way	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