努力【どりょく】
effort, exertion, endeavour, endeavor, hard work, striving
協力【きょうりょく】
cooperation, collaboration, help, support
勢力【せいりょく】
influence, power, might, strength, potency, force, energy
有力【ゆうりょく】
influential, prominent, strong, likely, plausible, potent
能力【のうりょく】
ability, faculty
権力【けんりょく】
(political) power, authority, influence
実力【じつりょく】
(real) ability, true strength, merit, efficiency, competency, arms, force
原子力【げんしりょく】
atomic energy, nuclear power
武力【ぶりょく】
armed might, military power, the sword, force
暴力団【ぼうりょくだん】
bōryokudan, gangster organization (organisation), crime syndicate, yakuza
全力【ぜんりょく】
all one's power (strength, energy, efforts), one's utmost
魅力【みりょく】
charm, fascination, glamour, glamor, attraction, appeal
圧力【あつりょく】
pressure, stress, pressure (e.g. political), coercion, arm-twisting
暴力【ぼうりょく】
violence, mayhem
強力【きょうりょく】
powerful, strong
体力【たいりょく】
stamina, endurance, physical strength, resilience, resistance to disease, strength of an organization (e.g. profitability, productivity, economic clout, stability, growth potential)
力士【りきし】
sumo wrestler, rikishi, strong man, Deva king
活力【かつりょく】
vitality, energy, dynamism
迫力【はくりょく】
impressiveness, impact, force, intensity, appeal, strength, punch, edge, vigor
出力【しゅつりょく】
output (electrical, signal, etc.)