The noun form of the adjective 'youthful' is youthfulness.
The word 'youthful' is the adjective form of the noun youth.
The words 'juvenile' and 'infantile' are two synonyms for the word 'childish'.
The noun 'youth' is an abstract noun as a word for a period in life.The noun 'youth' is a concrete noun as a word for a person.
The word youth is a noun. A youth is a young person.
The noun form for the adjective horrible is horribleness.
Julianne is a feminine form of Julian.
The noun form of the adjective obedient is obedience.
The noun form of the adjective 'prosperous' is prosperousness.A related noun form is prosperity.
The noun form is punisher
noun form of religious
Implication is the noun form of "imply."
The noun form for the adjective glaring is glaringness. Another noun form is glare.
The noun form for the adjective austere is austereness. Another noun form is austerity.