western vs sandwich

western and sandwich both are nouns.

Word	Noun	Adjective	Verb	Adverb
western	Yes	Yes	No	No
sandwich	Yes	No	Yes	No

As nouns, sandwich is a hypernym of western; that is, sandwich is a word with a broader meaning than western:

western (noun)	sandwich (noun)
a sandwich made from a western omelet	two (or more) slices of bread with a filling between them

western (adjective)	sandwich (adjective)
relating to or characteristic of the western parts of the world or the West as opposed to the eastern or oriental parts
of or characteristic of regions of the United States west of the Mississippi River
lying toward or situated in the west
of wind; from the west

western (verb)	sandwich (verb)
	insert or squeeze tightly between two people or objects
	make into a sandwich