How to say "Letter" in Russian?

[Pismo]

"Letter" is Письмо in Russian.

Письмо means "Letter" in English.

Word #560 of 6,000 by frequency in Russian.

Я написал письмо старому другу.

I wrote a letter to an old friend.

• Доллар, Dollar
• Закончить, to finish, to end
• Ясно, clearly, it's clear
• Столько, So much
• Число, Number/Date
• Больница, Hospital
• Всё, Everything
• Служить, To serve