Yes, forests is a common noun, the plural form for the singular forest; a word for any forest of any kind.
A proper noun is the name of a person, place, thing, or a title; for example:
The word 'forests' is a common, plural, concrete noun.
That is the correct spelling of the plural noun "forests."
forests
common noun
The word forest is a noun. The plural is forests.
Common
Common noun
common
The plural form for the noun forest is forests. The plural possessive form is forests'.Example: The committee was formed to study the impact of our forests' land use.
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.