This is the 2857th most frequent Japanese word.
けん
The Japanese word "けん" can mean various things depending on the context, such as "prefecture," "case," or "ticket."
けん (meaning 'since' or 'because') is used in dialects like Hiroshima-ben to provide a reason or cause.
この店のラーメンを試したいというけん、行ってみようか。
Since you said you want to try this shop's ramen, shall we go?
けん (meaning 'ticket') is used as a noun referring to tickets for transportation or events.
けんを買うなら、50枚ください。
If you are buying tickets, please give me 50.
けん (as part of '健康' meaning 'health') is used within a compound representing well-being and fitness.