burger vs sandwich

burger and sandwich both are nouns.

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

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

burger: a sandwich consisting of a fried cake of minced beef served on a bun, often with other ingredients
sandwich: two (or more) slices of bread with a filling between them

burger (noun)	sandwich (noun)
a sandwich consisting of a fried cake of minced beef served on a bun, often with other ingredients	two (or more) slices of bread with a filling between them

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