slide vs slip

slide and slip both are nouns.

Word	Noun	Adjective	Verb	Adverb
slide	Yes	No	Yes	No
slip	Yes	No	Yes	No

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

slide: the act of moving smoothly along a surface while remaining in contact with it
slip: an unexpected slide

Other hyponyms of slide include sideslip, skid, snowboarding.

As verbs, slide and slip are synonyms defined as:

slide and slip: move obliquely or sideways, usually in an uncontrolled manner

Other synonyms of slide include skid, slew, slue.

slide (noun)	slip (noun)
the act of moving smoothly along a surface while remaining in contact with it	a flight maneuver; aircraft slides sideways in the air
sloping channel through which things can descend	a socially awkward or tactless act
a transparency mounted in a frame; viewed with a slide projector	the act of avoiding capture (especially by cunning)
a small flat rectangular piece of glass on which specimens can be mounted for microscopic study	an unexpected slide
plaything consisting of a sloping chute down which children can slide	a minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc.
(music) rapid sliding up or down the musical scale	a woman's sleeveless undergarment
(geology) the descent of a large mass of earth or rocks or snow etc.	bed linen consisting of a cover for a pillow
	artifact consisting of a narrow flat piece of material
	a small sheet of paper
	a slippery smoothness
	an accidental misstep threatening (or causing) a fall
	a place where a craft can be made fast
	a young and slender person
	a part (sometimes a root or leaf or bud) removed from a plant to propagate a new plant through rooting or grafting
	potter's clay that is thinned and used for coating or decorating ceramics

slide (verb)	slip (verb)
to pass or move unobtrusively or smoothly	fall to a lower standard
move obliquely or sideways, usually in an uncontrolled manner	move out of position
move smoothly along a surface	insert inconspicuously or quickly or quietly
	to make a mistake or be incorrect
	pass out of one's memory
	move obliquely or sideways, usually in an uncontrolled manner
	move stealthily
	move easily
	move smoothly and easily
	cause to move with a smooth or sliding motion
	pass on stealthily