turning vs deviation

turning and deviation both are nouns.

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

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

turning (noun)	deviation (noun)
the act of changing or reversing the direction of the course	deviate behavior
act of changing in practice or custom	a turning aside (of your course or attention or concern)
the activity of shaping something on a lathe	the error of a compass due to local magnetic disturbances
the end-product created by shaping something on a lathe	the difference between an observed value and the expected value of a variable or function
a movement in a new direction	a variation that deviates from the standard or norm
a shaving created when something is produced by turning it on a lathe