turn vs exchange

turn and exchange both are nouns.

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

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

turn (noun)	exchange (noun)
the act of changing or reversing the direction of the course	reciprocal transfer of equivalent sums of money (especially the currencies of different countries)
the act of turning away or in the opposite direction	the act of putting one thing or person in the place of another:
taking a short walk out and back	the act of changing one thing for another thing
a favor for someone	the act of giving something in return for something received
(game) the activity of doing something in an agreed succession	(chess) the capture by both players (usually on consecutive moves) of pieces of equal value
turning or twisting around (in place)	(chess) gaining (or losing) a rook in return for a knight or bishop
a short performance that is part of a longer program	(sports) an unbroken sequence of several successive strokes
a movement in a new direction	a workplace for buying and selling; open only to members
an unforeseen development	a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication
a circular segment of a curve	a mutual expression of views (especially an unpleasant one)
(sports) a division of a game during which one team is on the offensive	chemical process in which one atom or ion or group changes places with another
a time period for working (after which you will be relieved by someone else)

turn (verb)	exchange (verb)
twist suddenly so as to sprain	exchange or replace with another, usually of the same kind or category
change to the contrary	change over, change around, as to a new order or sequence
go sour or spoil	exchange a penalty for a less severe one
pass into a condition gradually, take on a specific property or attribute; become	give to, and receive from, one another
undergo a transformation or a change of position or action	put in the place of another; switch seemingly equivalent items
change color	hand over one and receive another, approximately equivalent
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