turn vs walk

turn and walk both are nouns.

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

As nouns, walk is a hypernym of turn; that is, walk is a word with a broader meaning than turn:

turn (noun)	walk (noun)
the act of changing or reversing the direction of the course	the act of traveling by foot
the act of turning away or in the opposite direction	(baseball) an advance to first base by a batter who receives four balls
taking a short walk out and back	a slow gait of a horse in which two feet are always on the ground
a favor for someone	the act of walking somewhere
(game) the activity of doing something in an agreed succession	careers in general
turning or twisting around (in place)	a path set aside for walking
a short performance that is part of a longer program	manner of walking
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)	walk (verb)
twist suddenly so as to sprain	obtain a base on balls
change to the contrary	give a base on balls to
go sour or spoil	use one's feet to advance; advance by steps
pass into a condition gradually, take on a specific property or attribute; become	accompany or escort
undergo a transformation or a change of position or action	walk at a pace
change color	traverse or cover by walking
become officially one year older	take a walk; go for a walk; walk for pleasure
have recourse to or make an appeal or request for help or information to	make walk
direct at someone	live or behave in a specified manner
shape by rotating on a lathe or cutting device or a wheel	be or act in association with
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