Whats The Plural Form Of The Word Guapa?
What Is The Plural Form Of The Word Guapa
The word "guapa" (which generally means a good-looking girl) is an adjective, not a noun.
Edited to add:
As Ricardo correctly points out, you can say "Son muchachas guapas (They are good-looking girls).
Las muchachas se ven muy guapas. The girls look pretty nice. So "guapas" is the plural form for guapa