Word

suf
りょく
strength; power; proficiency; ability
Word

りき
strength; power; proficiency; ability; the strength of ... people; the strength of ... men
Word

ちから
force; strength; might; vigour (vigor); energy; capability; ability; proficiency; capacity; faculty; efficacy; effect; effort; endeavours (endeavors); exertions; power; authority; influence; good offices; agency; support; help; aid; assistance; stress; emphasis; means; resources
Word

能力

のうりょく
ability; faculty
Word

協力

共力
きょうりょく
cooperation; collaboration
Word

出力

しゅつりょく
output (electrical, signal, etc.)
Word

勢力

せいりょく
influence; power; might; strength; potency; force; energy
Word

電力

でんりょく
electric power
Word

原子力

げんしりょく
atomic energy; nuclear power
Word

剛力

強力
ごうりき
herculean strength; mountain carrier-guide