Yes, the word river is a noun, a singular, common, concrerte noun; a word for a body of water. The word river is a proper noun when it is the name of a specific river, for example, the Amazon River or the River Thames.
No, it is not a preposition. The word rivers is a plural noun.
The noun 'river' is a singular, common, concrete noun, a word for a thing.
The plural form of the noun river is rivers.The plural possessive form is rivers'.Example: The Monongahela and Allegheny Rivers' confluenceforms the Ohio River.
Yes, the plural form of the proper noun Rivers is Riverses.example: The Riverses are my neighbors.Note: A name is a proper noun. A proper noun is always capitalized.
It is countable because the singular or plural can be preceded by a number (one river, three rivers).
The plural form of the noun river is rivers.
Alluvium (noun), alluvial (adjective).
Junction is a noun. (it can be an adjective, as in Junctional)
The plural form of the noun river is rivers.
The word river is a noun, a common, singular, concrete noun.
The plural form of the noun river is rivers.The plural possessive form is rivers'.Example: The Monongahela and Allegheny Rivers' confluence forms the Ohio River.
The plural of il fiume, the river is i fiumi, the rivers.