断トツ[dantotsu] the best
一刀両断[ittouryoudan] cutting in two with a single stroke
引っ張り剪断強度[hipparisendankyoudo] peel strength (conductor from substrate)
英断[eidan] resolution
横断[oudan] crossing

横断歩道[oudanhodou] pedestrian crossing
果断[kadan] decisive
間断[kandan] break in time
強制中断[kyouseichuudan] forcing to a stop
禁断[kindan] prohibition

血清[kessei] serum
粛清[shukusei] (political) purge
真清水[mashimizu] pure water
清ます[sumasu] to clear
清む[sumu] to clear (e.g. weather)

清い[kiyoi] clear
清まる[kiyomaru] to be purified
清め[kiyome] purification
清める[kiyomeru] to purify
清らか[kiyoraka] clean

下血[geketsu] bloody bowel discharge
壊血病[kaiketsubyou] scurvy
吸血[kyuuketsu] bloodsucking
吸血鬼[kyuuketsuki] vampire
給血[kyuuketsu] donation of blood

供血者[kyouketsusha] blood donor
凝血[gyouketsu] blood clot
血の巡りが悪い[chinomegurigawarui] dim-witted
血の巡りの悪い[chinomegurinowarui] dim-witted

往診[oushin] doctor's visit
回診[kaishin] doctor's hospital rounds
休診[kyuushin] no medical examinations (today)
休診日[kyuushinbi] doctor's no-consultation day
健康診断[kenkoushindan] physical examination

健診[kenshin] physical examination
誤診[goshin] wrong diagnosis
死亡診断書[shiboushindansho] death certificate
自己診断システム[jikoshindanshisutemu] self-checking system
診る[miru] to examine (medically)