"Editing" is the present participle of the verb "edit", called a gerund, a verb used as a noun, a common noun.
e.g., "His editing of the reports greatly improved them".
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
"Editing" is the noun/subject in the sentence--a gerund, in fact. "Peer" modifies the noun, making "peer" an adjective in this case.
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
common
The noun cassette is a common noun.
Yes, it is a common noun, not a proper noun.