Here's why:
* Adjectives: These are words that describe nouns, providing more information about their qualities. Examples of happy words that are adjectives include "joyful," "cheerful," "delightful," "content," and "elated."
* Nouns: Some nouns can also be considered happy words, as they represent positive concepts or experiences. For example, "laughter," "love," "peace," and "freedom" are all nouns that evoke happiness.
* Verbs: Certain verbs can also express happiness, such as "smile," "laugh," "celebrate," and "rejoice."
So, while "happy words" isn't a formal grammatical term, it broadly refers to words that create a sense of happiness or positivity.