English has a few suffixes that can make abstract nouns out of adjectives: There’s the relatively rare –cy, which turns fluent into fluency and idiot into idiocy. There’s the more common –ty or –ity ...

Concrete nouns signify things, either in the real or imagined world. It’s usually possible to detect a concrete noun with one of the five senses. Abstract nouns refer to concepts and so cannot be ...

Common Noun in English: Check this article for common noun definition, examples and sentences to clearly understand what a common noun is. Also, get practice questions to assess your understanding.