endoskeleton vs joint

endoskeleton and joint both are nouns.

Word	Noun	Adjective	Verb	Adverb
endoskeleton	Yes	No	No	No
joint	Yes	Yes	Yes	No

endoskeleton (noun)	joint (noun)
the internal skeleton; bony and cartilaginous structure (especially of vertebrates)	marijuana leaves rolled into a cigarette for smoking
	junction by which parts or objects are joined together
	a disreputable place of entertainment
	(anatomy) the point of connection between two bones or elements of a skeleton (especially if it allows motion)
	a piece of meat roasted or for roasting and of a size for slicing into more than one portion
	the shape or manner in which things come together and a connection is made

endoskeleton (adjective)	joint (adjective)
	united or combined
	involving both houses of a legislature
	affecting or involving two or more