"Ruler" is a common noun because it refers to a general item used for measuring, rather than a specific name or title. Common nouns name general items, people, or concepts, while proper nouns name specific entities. For example, "Ruler" becomes a proper noun if it is part of a specific brand name or title.
The noun 'emperor' is a commonnoun, a general word for any ruler of an empire.A proper noun is the name of a specific person, place, thing, or a title; for example the Emperor Constantine.
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.
king is a common noun. But King Solomon is a proper noun.
It is a proper noun, because it is the name of a specific thing.
Proper noun
proper
it's a common noun. a proper noun would be Spider-Man.
Pencil proper or common noun
The noun cassette is a common noun.
a common noun?
The noun 'king' is a common noun, a general word for any male ruler of a country.The noun 'winter' is a common noun, a general word for one of any coldest season of the year.The term 'King Winter' can be a proper noun as the title and name of a specific ruler (real or fictional) or a person selected as 'ruler' of a winter festival or dance, for example, or perhaps the name of a product designed for winter use.
Camel is a common noun.