去痰[kyotan] expectoration
喀痰[kakutan] expectoration
血痰[kettan] bloody phlegm
痰壷[tantsubo] spittoon

検痰[kentan] sputum test
喀痰検査[kakutankensa] examination of somebody's sputum
去痰薬[kyotanyaku] expectorant
痰唾[tantsuba] sputum

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