frontage vs river

frontage and river both are nouns.

Word	Noun	Adjective	Verb	Adverb
frontage	Yes	No	No	No
river	Yes	No	No	No

frontage (noun)	river (noun)
the face or front of a building	a large natural stream of water (larger than a creek)
the extent of land abutting on a street or water
the direction in which something (such as a building) faces