Proper nouns are the names of specific things. "Bus" is generic (it's not picking out a particular item, but any one of a class of items), so it's a common noun.
common noun
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
It is a proper noun, because it is the name of a specific thing.
Yes, the compound noun 'bus station' is a common noun, a word for any bus station anywhere.A proper noun is the name of a person, place, thing, or a title; for example:City of McAllen: Central Bus Station, McAllen, TXBristol Bus Station, Marlborough Street, Bristol, UKPudu Sentral Bus Station, Kuala Lumpur, Malaysia"Bernie Magruder and the Bus Station Blow Up" by Phyllis Reynolds Naylor
proper
Proper noun
Pencil proper or common noun
it's a common noun. a proper noun would be Spider-Man.
Proper noun or common noun
The noun cassette is a common noun.
a common noun?
Camel is a common noun.