No, the word 'when' is not a noun.
The word 'when' is an adverb and a conjunction.
Examples:
When will you take a vacation? (adverb, introduces a question, modifies the verb 'will take')
I will take a vacation when I have saved enough money. (conjunction, joins the compound sentence)
Common
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
common
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Yes, it is a common noun, not a proper noun.