vanish vs slide by

vanish and slide by both are verbs.

Word	Noun	Adjective	Verb	Adverb
vanish	No	No	Yes	No
slide by	No	No	Yes	No

As verbs, slide by is a hypernym of vanish; that is, slide by is a word with a broader meaning than vanish:

Other hypernyms of vanish include elapse, glide by, go along, go by, lapse, pass, slip away, slip by.

vanish (verb)	slide by (verb)
get lost, as without warning or explanation	for time to move forward
decrease rapidly and disappear
cease to exist
pass away rapidly
become invisible or unnoticeable