• 努力どりょく — effort
• 実力じつりょく — real ability
• 能力のうりょく — capability
• 力持ちからもち — strong person
• 重力じゅうりょく — gravity
• 力仕事ちからしごと — physical labor
• 協力きょうりょく — cooperation
• 力量りきりょう — competence; capability
• 力作りきさく — a masterpiece; a work made with great effort

“力” was originally drawn from a farming tool, symbolizing physical power and effort. It now represents both literal and figurative strength — from personal energy to economic influence. It’s one of the most fundamental kanji used across many fields.