Yes, circumference is a noun, a singular, common, concrete noun; a word for the distance around the edge of a circle or round object, a thing.
Common noun
Yes the word gauntlet is a noun. It is a common noun.
Triangle is a common noun. Proper nouns are the unique names of people, places, or things. Common nouns are words for general things. Pronouns replace proper and common nouns.
Yes, the word gate is a noun, a singular, common, concrete noun.
Yes, circumference is a noun, a singular, common, concrete noun; a word for the distance around the edge of a circle or round object, a thing.
As far as the round rubber thing a car has four of on it's wheels, yes, it is a common noun. It is also a verb, meaning "to become fatigued".
Earth is a proper noun. Proper nouns are the unique names of people, places, or things. Common nouns are the words for general things. If a common noun is part of a name, it becomes a proper noun. Pronouns always replace proper and common nouns.
Yes, cabbage is a noun. It is a type of vegetable that has large, round leaves that form a dense head.
Common
Yes, "round" can be a noun when referring to a circular shape or a stage in a competition or event.
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
Camel is a common noun.