词根词缀：azo-, az-

【来源及含义】Greek: without life; nitrogen

【同源单词】azoamyly, azobenzine, azocarmine, azoic, azole, azolitmin

词根词缀：picro-, picr-

【来源及含义】Greek: bitter, sharp, pungent

【同源单词】picric, picrocarmine, picrogeusia, picrorrhiza, picrotoxin, picrotoxinin