Yes, the word 'if' functions as a noun, a word for a condition or supposition; a word for a thing.
Example: What is the if in your proposal?
The word 'if' most commonly functions as a conjunctionthat introduces a conditional clause.
Example: You can drop by this afternoon if you'd like.
The word 'noun' is not a verb. The word 'noun' is a noun, a word for a thing.
Proper noun
Concrete noun
The noun "noun" is a singular, common, concrete noun, a word for a thing.
Yes, its a noun in the plural.Yes, its a noun in the plural.Yes, its a noun in the plural.Yes, its a noun in the plural.Yes, its a noun in the plural.Yes, its a noun in the plural.Yes, its a noun in the plural.Yes, its a noun in the plural.Yes, its a noun in the plural.
Most definitely a common noun.
The word astrologist is a noun. It is a common noun.
"night" is a noun
The noun cassette is a common noun.
it is not a noun; troop is a noun. Troop is a common noun.
Proper noun or common noun
Yes, the word 'noun' is a noun, a word for a thing.