词根词缀：chemo-, chem-, chemico-, chemi-, -chemist, -chemic, -chemical

【来源及含义】Arabic > Greek > Latin: the art of combining base metals [to make gold]; from Greek, chemia, “Egypt”, supposedly where the art of changing metals into gold existed

【同源单词】agrichemistry, agrochemical, alchemist, alchemy, allelochemics, allochemic

词根词缀：sono-, son-, sona-, -sonous, -sonic, -sonically

【来源及含义】Latin: sound, that which is heard; noise

【同源单词】assonance, assonant, auscultatory sounds, biosonar, consonance, consonant