glide vs semivowel

glide and semivowel both are nouns.

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

As nouns, glide and semivowel are synonyms defined as:

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

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