No the word happy is not a noun at all.
The word happy is an adjective, a word that describes a noun. Example:
The noun 'mice' is the plural form of the singular noun 'mouse'.
The word church is a singular, common, concrete noun. The plural form is churches, a regular plural (a regular plural is a noun made plural by adding 's' or 'es' to the end of the word; an irregular plural is a noun that is made plural in some other way).
Trios is the plural noun.
Droughts is the plural noun.
Months is the plural noun.
humorous is an adjective, like the word happy. It is used to describe a noun, and can therefore not be plural. The noun attached to it can be plural though. i.e. a humorous joke or the humorous jokes.
The plural of the noun "half" is "halves."
Birthday in Spanish is "cumpleaños" (singular or plural noun). Happy Birthday! = ¡Feliz cumpleaños!
The plural noun for path is paths. The plural noun for patch is patches.
The plural noun of general is generals. Generals is a regular plural noun.
No, Mice is a plural noun. Mouse is the singular noun.
It is a plural noun.
No, it is a possessive noun. Mothers is a plural noun.
The plural form of the noun newspaper newspapers.
The plural form for the noun lady is ladies.
The noun 'teeth' is the plural noun. The singular noun is 'tooth'.
A regular plural noun is a noun that is made plural by adding -s or -es to the end of the word.An irregular plural noun is a noun that is made plural in some other way.The noun city is made plural by dropping the ending -y and adding -ies to the end of the word. The plural form for city is cities, an irregular plural.