slide by vs fell

slide by is not a noun while fell is a noun.

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

As verbs, fell is a hyponym of slide by; that is, fell is a word with a more specific, narrower meaning than slide by:

Other hyponyms of slide by include fly, vanish.

slide by (noun)	fell (noun)
	the act of felling something (as a tree)
	seam made by turning under or folding together and stitching the seamed materials to avoid rough edges
	the dressed skin of an animal (especially a large animal)

slide by (adjective)	fell (adjective)
	(of persons or their actions) able or disposed to inflict pain or suffering

slide by (verb)	fell (verb)
for time to move forward	cause to fall by or as if by delivering a blow
	sew a seam by folding the edges
	pass away rapidly