Word

拮抗

頡頏
きっこう、けっこう
rivalry; competition; antagonism; struggle for supremacy; rising and falling (of a bird)
Word

勢力拮抗

せいりょくきっこう
struggle for supremacy between evenly-matched forces (parties)
Word

戦力拮抗

せんりょくきっこう
struggle for supremacy between evenly-matched armies (teams)
Word

拮抗筋

きっこうきん
antagonist (muscle)
Word

拮抗薬

きっこうやく
antagonist (drug)
Word

拮据

きっきょ
diligence; assiduity; pinching; hard toil