jointer vs carpenter's plane

jointer and carpenter's plane both are nouns.

Word	Noun	Adjective	Verb	Adverb
jointer	Yes	No	No	No
carpenter's plane	Yes	No	No	No

As nouns, carpenter's plane is a hypernym of jointer; that is, carpenter's plane is a word with a broader meaning than jointer:

jointer: a long carpenter's plane used to shape the edges of boards so they will fit together
carpenter's plane: a carpenter's hand tool with an adjustable blade for smoothing or shaping wood

Other hypernyms of jointer include plane, woodworking plane.

jointer (noun)	carpenter's plane (noun)
a long carpenter's plane used to shape the edges of boards so they will fit together	a carpenter's hand tool with an adjustable blade for smoothing or shaping wood