turning vs volution

turning and volution both are nouns.

Word	Noun	Adjective	Verb	Adverb
turning	Yes	No	No	No
volution	Yes	No	No	No

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

Other hyponyms of turning include reversal, turn around, swerve, yaw, gyration, revolution, rotation, coming back, return.

turning (noun)	volution (noun)
the act of changing or reversing the direction of the course	a rolling or revolving motion
act of changing in practice or custom
the activity of shaping something on a lathe
the end-product created by shaping something on a lathe
a movement in a new direction
a shaving created when something is produced by turning it on a lathe