The word starts with a capital letter indicating it is a name (most likely a pet). A proper noun is the name of a person, place, or thing. If Spot is the name of something, then it is a proper noun.
A noun starting with a capital letter is not always a guarantee that it is a proper noun, people do get it wrong, so you must know the context of the noun's use. For example:
The new puppy, Spot left a spot on the carpet.
Examples of common nouns for the proper noun 'Chocolate Hills' (in Bohol province, the Philippines) are:featurekarstlandformlimestoneprotected areatourist attraction
The noun 'corn' is a common noun, a general word for the seeds of a cereal plant; the plants that produce these seeds; a spot of hardening and thickening of skin; a word for a thing.
The possessive form of the proper noun Izzy is Izzy's.Example: The name of Izzy's dog is Spot.
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
It is a proper noun, because it is the name of a specific thing.
it's a common noun. a proper noun would be Spider-Man.