butt vs part

butt and part both are nouns.

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

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

butt: the small unused part of something (especially the end of a cigarette that is left after smoking)
part: something less than the whole of a human artifact

Other hypernyms of butt include portion.

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

butt: the part of a plant from which the roots spring or the part of a stalk or trunk nearest the roots
part: something determined in relation to something that includes it

Other hypernyms of butt include component, component part, constituent, portion.

butt (noun)	part (noun)
thick end of the handle	the actions and activities assigned to or required or expected of a person or group
the small unused part of something (especially the end of a cigarette that is left after smoking)	the effort contributed by a person in bringing about a result
a large cask (especially one holding a volume equivalent to 2 hogsheads or 126 gallons)	something less than the whole of a human artifact
sports equipment consisting of an object set up for a marksman or archer to aim at	an item that is an instance of some type
finely ground tobacco wrapped in paper; for smoking	a line of scalp that can be seen when sections of hair are combed in opposite directions
a joint made by fastening ends together without overlapping	one of the portions into which something is regarded as divided and which together constitute a whole
the fleshy part of the human body that you sit on	an actor's portrayal of someone in a play
a victim of ridicule or pranks	that which concerns a person with regard to a particular role or situation
the part of a plant from which the roots spring or the part of a stalk or trunk nearest the roots	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

butt (verb)	part (verb)
to strike, thrust or shove against	move or break apart
place end to end without overlapping	force, take, or pull apart
lie adjacent to another or share a boundary	depart for someplace
	go one's own way; move apart
	discontinue an association or relation; go different ways

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