The Russian word for foot sounds similar in English and in Russian. Perhaps the sound is a bit deeper in Russian. Moreover, in Russian, unlike English, the word is written actually as it sounds. The word is fut, and in Russian it is written:
So, as you can see, the letter U in Russian is:
The letter looks like a letter v extended a bit to the bottom. It is interesting to know that letter v was used to mean u when writing Latin (that’s why sometimes you see lingva Latina instead of lingua Latina).
Use this letter and write football which in Russian is futbol.