No, the noun volcanoes is a common noun, the plural form of the noun volcano, a thing.The word extinct is an adjective describing the noun volcanoes.A common noun is a word for any person, place, or thing.A proper noun is the name of a person, place, thing, or a title; for example:Hohentwiel, an extinct volcano in GermanyShiprock, an extinct volcano in New Mexico, USAZuidwal, an extinct volcano in the Netherlands
Yes, the noun 'plesiosaurs' is a common noun, a general word for a type of extinct, marine reptile; a word for any plesiosaurs.
Yes, pachycephalosaurus is a noun, a singular, common, concrete noun; a word for an extinct dinosaur, a word for a thing.
Extinct is an adjective.
No it is an adjective, extinction is the noun. Dinosaurs are extinct. The extinction of dinosaurs happened a long time ago.
No, "extinct" is not a pronoun. It is an adjective used to describe a species that no longer exists.
Being extinct, neither is common.
common noun
Common
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.