“separate / different” in Japanese is 別, read betsu, waka (べつ, わか). It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 区別 (distinction).
What does 別 mean?
駅で友だちと別れた。
Same sound, different character — the classic trap. Compare them side by side: