Ice.
No, icy is an adjective, as it adds information to a noun, eg: the icy road, or the icy pond. The noun form is iciness or ice
The noun forms of the adjective 'frigid' are frigidnessand frigidity.
The word 'noun' is not a verb. The word 'noun' is a noun, a word for a thing.
The noun is water, Icy and cold are adjectives.
The noun form of the word "profess" is "profession."
The noun form of the adjective 'truthful' is truthfulness.The word 'truthful' is the adjective form of the noun truth.
The noun form for the adjective nervous is nervousness. Another noun form is nerve.
The noun form of the word "resign" is "resignation."
The noun form for the word "proclaim" is "proclamation."
The noun form of the word "polite" is "politeness".
"Ice" is a verb and a noun and, as such, does not have a comparative or superlative form. The adjective icy would be icier and iciest respectively.
The word 'brutal' is the adjective form for the noun brute.The noun form for the adjective brutal is brutality.