tin can vs oilcan

tin can and oilcan both are nouns.

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

As nouns, oilcan is a hyponym of tin can; that is, oilcan 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, milk can, soda can.

tin can (noun)	oilcan (noun)
airtight sealed metal container for food or drink or paint etc.	a can with a long nozzle to apply oil to machinery
informal term for a destroyer