turn vs switch

turn and switch both are nouns.

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

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

turn (noun)	switch (noun)
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 basketball maneuver; two defensive players shift assignments so that each guards the player usually guarded by the other
taking a short walk out and back	a flexible implement used as an instrument of punishment
a favor for someone	control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
(game) the activity of doing something in an agreed succession	railroad track having two movable rails and necessary connections; used to turn a train from one track to another or to store rolling stock
turning or twisting around (in place)	hairpiece consisting of a tress of false hair; used by women to give shape to a coiffure
a short performance that is part of a longer program	an event in which one thing is substituted for another
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)

turn (verb)	switch (verb)
twist suddenly so as to sprain	reverse (a direction, attitude, or course of action)
change to the contrary	make a shift in or exchange of
go sour or spoil	lay aside, abandon, or leave for another
pass into a condition gradually, take on a specific property or attribute; become	change over, change around, as to a new order or sequence
undergo a transformation or a change of position or action	cause to go on or to be engaged or set in operation
change color	flog with or as if with a flexible rod
become officially one year older	exchange or give (something) in exchange for
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