词根词缀：clast-, clas-, -clastic, -clast, -clase, -clasia, -clasis, -clasis, -clasmic, -clasm

【来源及含义】Greek: break, break in pieces; broken, broken in pieces, crush; bend

【相关词根词缀】 Related break, broken-word units: frag-; rupt-.

【同源单词】aclasia, aclassis, aclastic, anaclastic, anemoclastic, angioclast

词根词缀：epi-, ep-

【来源及含义】Greek: above, over, on, upon; besides; in addition to; toward; among

【相关词根词缀】 Related "above, over, beyond the normal, excessive" word units: hyper-; super-, supra-, sur; ultra-, ult-.

【同源单词】anepigraphous, cotyledon, endoepidermal, ephemeral, epibasal, epibasidium