Perhaps you mean the comparative form: the comparative form of the adjective pretty is prettier. (The superlative form is prettiest, but comparative sounds more like cumulative.)
"Cumulative" can function as an adjective, describing something that increases or grows by accumulation over time.
Prettier
The word prettier is an adjective. It describes something that is more pretty.
Bonita is a Portuguese equivalent of 'pretty'. It's the feminine form of the adjective. The masculine form is 'bonito'.
Cumulative is the correct spelling.It is an adjective, and means: "increasing or increased in quantity, degree, or force by successive additions: the cumulative effect of two years of drought."
An adjective in its superlative form.
The word pretty (pretties) is a noun as a word for a person or thing that is pretty.The noun form of the adjective or adverb 'pretty' is prettiness.
A pretty wonderful adjective, a word that describes a noun.The noun form for the adjective wonderful is wonderfulness.
No, the word 'pretty' is an adjective, a word used to describe a noun.The abstract noun form of the adjective 'pretty' is prettiness, a word for a quality.
I'm not entirely sure what you're referring to; kirei is a na-adjective (meaning 'pretty'), and does not have another form.
The adjective or adverb is spelled as one word "overall" (cumulative).
No. Prettier is a comparative adjective (more pretty). An adverb form is prettily / more prettily.