flight path vs airway

flight path and airway both are nouns.

Word	Noun	Adjective	Verb	Adverb
flight path	Yes	No	No	No
airway	Yes	No	No	No

As nouns, flight path and airway are synonyms defined as:

flight path and airway: a designated route followed by airplanes in flying from one airport to another

Other synonyms of flight path include air lane, skyway.

flight path (noun)	airway (noun)
a designated route followed by airplanes in flying from one airport to another	a commercial enterprise that provides scheduled flights for passengers
the path of a rocket or projectile or aircraft through the air	a duct that provides ventilation (as in mines)
	the passages through which air enters and leaves the body
	a designated route followed by airplanes in flying from one airport to another