rental vs sublease

rental and sublease both are nouns.

Word	Noun	Adjective	Verb	Adverb
rental	Yes	Yes	No	No
sublease	Yes	No	Yes	No

As nouns, sublease is a hyponym of rental; that is, sublease is a word with a more specific, narrower meaning than rental:

Other hyponyms of rental include car rental, hire car, rent-a-car, self-drive, u-drive, you-drive, sublet.

rental (noun)	sublease (noun)
the act of paying for the use of something (as an apartment or house or car)	a lease from one lessee to another
property that is leased or rented out or let

rental (adjective)	sublease (adjective)
of or relating to rent
available to rent or lease

rental (verb)	sublease (verb)
	lease or rent all or part of (a leased or rented property) to another person