• 十日とおか — the 10th day; 10 days
• 十人じゅうにん — ten people
• 十円じゅうえん — ten yen
• 十回じゅっかい — ten times
• 十指じっし（じゅっし） — ten fingers
• 十分じゅっぷん（じっぷん） — ten minutes
• 十分じゅうぶん — sufficient; enough
• 十代じゅうだい — teenage years
• 十月じゅうがつ — October

“十” is one of the most basic kanji. It is used in counting, dates, and time, and it also forms the base for larger numbers like 20, 30, and 100.