diner vs cutter

diner and cutter both are nouns.

Word	Noun	Adjective	Verb	Adverb
diner	Yes	No	No	No
cutter	Yes	No	No	No

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

Other hyponyms of diner include carver, dining companion, tablemate.

diner (noun)	cutter (noun)
a passenger car where food is served in transit	a cutting implement; a tool for cutting
a restaurant that resembles a dining car	a boat for communication between ship and shore
a person eating a meal (especially in a restaurant)	a sailing vessel with a single mast set further back than the mast of a sloop
	someone whose work is cutting (as e.g. cutting cloth for garments)
	someone who carves the meat
	someone who cuts or carves stone