segment vs part

segment and part both are nouns.

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

As nouns, part is a hypernym of segment; that is, part is a word with a broader meaning than segment:

segment: one of several parts or pieces that fit with others to constitute a whole object
part: something less than the whole of a human artifact

Other hypernyms of segment include portion.

As nouns, part is a hypernym of segment; that is, part is a word with a broader meaning than segment:

Other hypernyms of segment include piece.

As verbs, part is a hypernym of segment; that is, part is a word with a broader meaning than segment:

Other hypernyms of segment include divide, separate.

As verbs, part is a hypernym of segment; that is, part is a word with a broader meaning than segment:

Other hypernyms of segment include divide, separate.

segment (noun)	part (noun)
one of several parts or pieces that fit with others to constitute a whole object	the actions and activities assigned to or required or expected of a person or group
one of the parts into which something naturally divides	the effort contributed by a person in bringing about a result
	something less than the whole of a human artifact
	an item that is an instance of some type
	a line of scalp that can be seen when sections of hair are combed in opposite directions
	one of the portions into which something is regarded as divided and which together constitute a whole
	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

segment (verb)	part (verb)
divide into segments	move or break apart
divide or split up	force, take, or pull apart
	depart for someplace
	go one's own way; move apart
	discontinue an association or relation; go different ways

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