No, it is not a noun. Could is a conditional auxiliary verb, the past tense of "can."
No, it is not a noun; it is an adverb. The noun form could be apparentness.
The word timid is an adjective. The noun form could be timidness, or timidity.
You could say redness.
The names and terms for all entities are nouns.
The word factual is an adjective. The noun form "fact" is an abstract noun. Although a given fact could be presented, the concept of a fact (information, knowledge) is an intangible form that cannot be perceived.
Miriam could be a noun if it's a name.
Yes it is a noun but it could be a proper noun.
It IS a noun. Or nouns.
No, it is not a noun; it is an adverb. The noun form could be apparentness.
It could be a noun meaning someone or something that carries, or it could be used as an adjective as in - a carrier bag.
The noun shot was amazing
it could be used as an adjective or a noun,according to how you use it.
No, it is a noun. The word "road" could be replaced by the pronoun "it."
The common noun for the Broadway is street.
No, it is a plural noun. The noun boys could be replaced by the pronoun they or them.
An example of a singular noun for a school could be "institution."
It is a common noun. It can also be a verb, in that you could pound something.