This is the 6684th most frequent Russian word.
p
The Russian word "п" (pronounced "p") is a letter in the Cyrillic alphabet and represents the "p" sound in English.
In this context, 'п' is part of the word 'пиццу', meaning 'pizza'.
Папа купил пиццу.
Dad bought pizza.
Here, 'п' occurs in the word 'письмо', meaning 'letter'.
Она нашла письмо.
She found a letter.
The letter 'п' is the initial of the name 'Павел', which is 'Pavel'.