Yes, pita is in the scrabble dictionary.

What pitas mean?

abbreviation for pain in the ass: used, for example on social media and in text messages, to refer to someone or something that is annoying: Deeply held beliefs are no excuse for being a PITA.

Is Pita a real word?

Pita (/ˈpɪtə/ or US: /ˈpiːtə/) or pitta (British English), is a family of yeast-leavened round flatbreads baked from wheat flour, common in the Mediterranean, Middle East, and neighboring areas.