No, hill is a common noun; a singular, common, concrete noun.
A common noun becomes a proper noun when it is the name of a person, place, thing, or a title; for example:
Examples of common nouns for the proper noun 'Chocolate Hills' (in Bohol province, the Philippines) are:featurekarstlandformlimestoneprotected areatourist attraction
The proper noun for neighborhood would be a specific name given to a particular neighborhood, such as "Greenwich Village" or "Beverly Hills". Proper nouns are capitalized and refer to a specific entity, distinguishing it from common nouns which refer to general categories. In this case, the proper noun would be used to identify a unique and specific neighborhood.
If you are using Black Hills as the name of a place, then yes, it should be capitalized because it would be a proper noun. i.e. Black Hills of South Dakota. If it isn't being used as a particular place, i.e. Look on top of those black hills which are next to that white mountain, then it would not be capitalized.
The collective noun is an undulation of hills.
Yes, the word 'hills' is a noun (a common, plural, concrete noun) and the object of your sentence.
Pencil proper or common noun
As a name of a road , Park Avenue', it is a proper noun, and both words star with a capital letter. However, when used separately, as 'the park, or 'the avenue', they are common nouns and so not need a capital letter.
Exxon is a proper noun
proper noun
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
proper noun
Proper noun