“law / rhythm” in Japanese is 律, read ritsu, richi (りつ, りち). It is a Grade 6 Kyōiku kanji, taught in year 6 of Japanese elementary school, and appears in words such as 法律 (law).
What does 律 mean?
みんなが法律を守る。
Same sound, different character — the classic trap. Compare them side by side: