flaw vs glitch

flaw and glitch both are nouns.

Word	Noun	Adjective	Verb	Adverb
flaw	Yes	No	Yes	No
glitch	Yes	No	Yes	No

As nouns, glitch is a hyponym of flaw; that is, glitch is a word with a more specific, narrower meaning than flaw:

Other hyponyms of flaw include blister, bug, hole.

flaw (noun)	glitch (noun)
an imperfection in an object or machine	a fault or defect in a computer program, system, or machine
defect or weakness in a person's character
an imperfection in a plan or theory or legal document that causes it to fail or that reduces its effectiveness

flaw (verb)	glitch (verb)
add a flaw or blemish to; make imperfect or defective	To suffer a minor malfunction