semivowel vs glide

semivowel and glide both are nouns.

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

As nouns, semivowel and glide are synonyms defined as:

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

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