It is a common noun.
The noun nephew is a singular, common, abstract noun, a word for the relationship of a person or a concrete noun, a word for the person with such a relationship.
The word Phillip is a proper noun, the name of a person.
The word 'cannibal' is a noun, a word for a person or animal that eats the flesh of its own kind; a word for a person or a thing.
Yes, the word 'cannibal' is a noun, a singular, common noun; a word for a person or thing that eats its own kind; a word for a person or thing.
The noun child is a singular, common noun; a word for a person.
The noun 'singer' is a singular, common, concrete noun; a word for someone who sings; a word for a person.
Yes, the word 'dear' is a noun, an adjective, an adverb, and an interjection.The noun 'dear' is a word for a beloved person, a kind and generous person.
A noun.
A noun is a person, place, thing, or idea. I'm guessing that a theory would fall into the idea section.
Yes, because you is a person, place or thing.
The noun 'boy' is a singular, common, concrete noun, a word for a person.
The noun 'farmer' is a singular, common, concrete noun; a word for a person.