Similarly, you may ask, what kind of noun is Earth?
proper noun
One may also ask, why is Earth a common noun? Earth can be either a proper noun or a common noun. In English, proper nouns (nouns which signify a particular person, place, or thing) are capitalized. It is acceptable to leave earth lowercase and use the with earth if you are talking about it as the planet we live on: The earth rotates on its axis.
Subsequently, one may also ask, is world an abstract noun?
Grammatically speaking, a noun is countable, mass or uncountable, or proper. “World” is countable. Philosophically speaking, nouns are concrete or abstract. Abstract nouns are usually uncountable.
Which type of noun is abstract?
Abstract nouns are a type of noun that you can't see or touch. A noun is a person, place or thing. However, in many cases, that 'thing' may be an intangible concept, or an abstract form of noun. In this instance, abstract refers to something that exists apart from concrete existence.