airway vs glide slope

airway and glide slope both are nouns.

Word	Noun	Adjective	Verb	Adverb
airway	Yes	No	No	No
glide slope	Yes	No	No	No

As nouns, glide slope is a hyponym of airway; that is, glide slope is a word with a more specific, narrower meaning than airway:

airway: a designated route followed by airplanes in flying from one airport to another
glide slope: the final path followed by an aircraft as it is landing

Other hyponyms of airway include approach, approach path, glide path, holding pattern.

airway (noun)	glide slope (noun)
a commercial enterprise that provides scheduled flights for passengers	the final path followed by an aircraft as it is landing
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