悪循環[akujunkan] vicious circle
因循[injun] indecision
因循姑息[injunkosoku] dilly-dallying and temporizing (temporising)
血液循環[ketsuekijunkan] blood circulation
再循環[saijunkan] recycle

循環[junkan] circulation
循良[junryou] good and obedient
循環小数[junkanshousuu] recurring decimal
循環系[junkankei] circulatory system (blood, lymph, etc.)
循環器[junkanki] circulatory organ

後ろ楯[ushirodate] backing
小楯[kodate] small shield
楯籠る[tatekomoru] to barricade oneself in
楯つく[tatetsuku] to oppose

醜の御楯[shikonomitate] the humble shield of our Sovereign Lord
楯籠り[tatekomori] shutting oneself in (one's room, etc.)
楯鱗[junrin] placoid scale
楯状火山[tatejoukazan] shield volcano

後ろ盾[ushirodate] backing
矛盾[mujun] contradiction
盾突く[tatetsuku] to oppose
盾座[tateza] Scutum (constellation)
自己矛盾[jikomujun] self-contradiction

矛盾語法[mujungohou] oxymoron
矛盾撞着[mujundouchaku] self-contradiction
前後矛盾[zengomujun] self-contradiction
撞着矛盾[douchakumujun] self-contradiction

隠遁[inton] retirement (from the world)
出家遁世[shukketonsei] monastic seclusion
遁れる[nogareru] to escape
遁走[tonsou] fleeing
遁世[tonsei] seclusion from the world

遁走曲[tonsoukyoku] fugue
遁辞[tonji] excuse
隠遁者[intonsha] recluse
隠遁術[intonjutsu] Ninja art of escape
遁術[tonjutsu] Ninja art of escape