windage vs wind deflection

windage and wind deflection both are nouns.

Word	Noun	Adjective	Verb	Adverb
windage	Yes	No	No	No
wind deflection	Yes	No	No	No

As nouns, windage and wind deflection are synonyms defined as:

windage and wind deflection: the deflection of a projectile resulting from the effects of wind

windage (noun)	wind deflection (noun)
the deflection of a projectile resulting from the effects of wind	the deflection of a projectile resulting from the effects of wind
exposure to the wind (as the exposed part of a vessel's hull which is responsible for wind resistance)
the space between the projectile of a smoothbore gun and the surface of the bore of the gun
the retarding force of air friction on a moving object