力 -- you need POWER to till the ground
力 pronounced 력
능력 -- ability, competence
상상력 -- imagination
체력 -- physical stamina
폭력적인 -- to be violent
매력적인- to be charming, attractive, fascinating
강력하다 -- to be powerful
입력하다 -- to enter, input (e.g. typing)
노력하다 -- to make an effort to do, strive for