tin can vs milk can

tin can and milk can both are nouns.

Word	Noun	Adjective	Verb	Adverb
tin can	Yes	No	No	No
milk can	Yes	No	No	No

As nouns, milk can is a hyponym of tin can; that is, milk can is a word with a more specific, narrower meaning than tin can:

Other hyponyms of tin can include beer can, caddy, tea caddy, cannikin, coffee can, oilcan, soda can.

tin can (noun)	milk can (noun)
airtight sealed metal container for food or drink or paint etc.	large can for transporting milk
informal term for a destroyer