turning vs revolution

turning and revolution both are nouns.

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

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

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

turning (noun)	revolution (noun)
the act of changing or reversing the direction of the course	the overthrow of a government by those who are governed
act of changing in practice or custom	a single complete turn (axial or orbital)
the activity of shaping something on a lathe	a drastic and far-reaching change in ways of thinking and behaving
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