It can be. It can be used as a noun or a verb.
No, violin is not a proper noun. A proper noun is a noun that has been given a name or title. For example, while the word store would not be a proper noun, the word Walmart would be, because it is the name of a specific store. A noun that is not a proper noun would be called a common noun.
The noun form of the word 'quantifies' is 'quantification.' A noun which would be quantified by someone would be a quantity.
the noun would be treachery.
The noun would be Compensator
Proper Noun
The equivalent noun would be honesty.
No. As a noun, harvest would be considered a common noun.
No, it is a plural noun. The common noun would be apple.
The proper noun Phoenix (city in Arizona) is a concrete noun. The common noun phoenix would be a mythological creature, which if encountered would also be a concrete noun.
No. It is not. I am not sure what it is, but not a noun. A noun would be "dog, cat, house, person, man, woman" etc.. A proper noun would be a name of a person or place.
No, it is not a noun. Arid is an adjective. The noun forms would be aridness or aridity.
The noun 'Maine' is a proper noun, the name of a specific place.