“compete” in Japanese is 競, read kyou, kei, kiso (きょう, けい, きそ). It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 競争 (competition).
What does 競 mean?
足の速さを競う。
Same sound, different character — the classic trap. Compare them side by side: