Yes, the word "skull" is a common noun. It refers to the bony structure that forms the head in vertebrates, without specifying a particular skull or individual. Common nouns name general items or concepts, as opposed to proper nouns, which denote specific names or titles.
The noun skull is singular. The plural is skulls.
The common name for the cranium is the skull. It is the bony structure that encloses and protects the brain.
The cranium.
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.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
it is re@lly @ common noun