part vs slice

part and slice both are nouns.

Word	Noun	Adjective	Verb	Adverb
part	Yes	No	Yes	Yes
slice	Yes	No	Yes	No

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

Other hyponyms of part include body part, corpus, acicula, base, corner, craton, cutting, fragment, hunk, lump, nub, stub, segment, strip, world.

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

part: assets belonging to or due to or contributed by an individual person or group
slice: a share of something

part (noun)	slice (noun)
the actions and activities assigned to or required or expected of a person or group	a golf shot that curves to the right for a right-handed golfer
the effort contributed by a person in bringing about a result	a spatula for spreading paint or ink
something less than the whole of a human artifact	a serving that has been cut from a larger portion
an item that is an instance of some type	a thin flat piece cut off of some object
a line of scalp that can be seen when sections of hair are combed in opposite directions	a share of something
one of the portions into which something is regarded as divided and which together constitute a whole	a wound made by cutting
an actor's portrayal of someone in a play
that which concerns a person with regard to a particular role or situation
the melody carried by a particular voice or instrument in polyphonic music
the extended spatial location of something
a portion of a natural object
assets belonging to or due to or contributed by an individual person or group
something determined in relation to something that includes it

part (verb)	slice (verb)
move or break apart	hit a ball so that it causes a backspin
force, take, or pull apart	cut into slices
depart for someplace	make a clean cut through
go one's own way; move apart	hit a ball and put a spin on it so that it travels in a different direction
discontinue an association or relation; go different ways

part (adverb)	slice (adverb)
to some extent; in some degree; not wholly