wrap vs sandwich

wrap and sandwich both are nouns.

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

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

wrap (noun)	sandwich (noun)
cloak that is folded or wrapped around a person	two (or more) slices of bread with a filling between them
the covering (usually paper or cellophane) in which something is wrapped
a sandwich in which the filling is rolled up in a soft tortilla

wrap (verb)	sandwich (verb)
arrange or fold as a cover or protection	insert or squeeze tightly between two people or objects
enclose or enfold completely with or as if with a covering	make into a sandwich
arrange or coil around
crash into so as to coil around