turning vs deflexion

turning and deflexion both are nouns.

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

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

turning (noun)	deflexion (noun)
the act of changing or reversing the direction of the course	a turning aside (of your course or attention or concern)
act of changing in practice or custom	the property of being bent or deflected
the activity of shaping something on a lathe	the amount by which a propagating wave is bent
the end-product created by shaping something on a lathe	the movement of the pointer or pen of a measuring instrument from its zero position
a movement in a new direction
a shaving created when something is produced by turning it on a lathe