glide vs flying

glide and flying both are nouns.

Word	Noun	Adjective	Verb	Adverb
glide	Yes	No	Yes	No
flying	Yes	Yes	No	No

As nouns, flying is a hypernym of glide; that is, flying is a word with a broader meaning than glide:

Other hypernyms of glide include flight.

glide (noun)	flying (noun)
the act of moving smoothly along a surface while remaining in contact with it	an instance of traveling by air
the activity of flying a glider
a vowellike sound that serves as a consonant

glide (adjective)	flying (adjective)
	hurried and brief
	moving swiftly

glide (verb)	flying (verb)
move smoothly and effortlessly
fly in or as if in a glider plane
cause to move or pass silently, smoothly, or imperceptibly