40) long, leng, ling, 含義是“長的” length, prolong, linger

　　41) loqu, locut, 含義是“說話” colloquial, eloquent,

　　42) mand, mend, 含義是“命令” command, demand, recommend

　　43) man, manu, 含義是“手，手法” manage, manual

　　44) memor, menber, 含義是“記憶” memory, remember, memorial

　　45) mind, ment, 含義是“心” mind, remind, mental

　　46) merc, merch, 含義是“貿易” commerce, merchant

　　47) meas, mens, meter, metr, 含義是“測量，度量” measure, meter, diameter

　　48) min, 含義是“小” diminish, minority

　　49) miss, mit, 含義是“派遣，送” mission, dismiss, transmit, missile

　　50) mob, mot, mov, 含義是“動” movement, motion, mobile, remove

　　51) nect, nex, 含義是“捆扎” connect, disconnect, annex(合并)

　　52) not, 含義是“記號，注意” note, denote, annotation(注釋)

　　53) onom, onym, 含義是“名字” synonym, antonym, anonymous

　　54) pair, par, 含義是“a)相同，對等b)準備” compare, prepare

　　55) pel, puls, 含義是“追逐” expel, impel(推進)

　　56) pend, pens, pond, 含義是“懸掛” depend, independent, expense(支付)

　　57) phon, 含義是“聲音” symphony, telephone, microphone

　　58) plac, 含義是“位置，場所” place, replace

　　59) peopl, popul, publ, 含義是“人民，民眾” public, republic, popular, people

　　60) port, 含義是“搬運” export, import, deport(輸送)

　　61) press, 含義是“壓，壓制” pressure, express, oppress, impression

　　62) prob, proof, prov, 含義是“實驗，驗證” prove, approve,

　　63) quer, quest, quir, quis, 含義是“尋找，探問” inquiry, question, inquisition(調查，追究)

　　64) rang, rank, 含義是“排列” arrange, rank,

　　65) rect, right, rig, 含義是“正，直” correct, direct, erect

　　66) riv, 含義是“河流，流遠”，river, arrive, derive

　　67) rupt, 含義是“破壞，毀壞” eruption, bankrupt, corruption

　　68) sci, 含義是“認識，知識” science, conscious

　　69) scrib, script, 含義是“書寫，記錄” describe, script

　　70) sens, sent, 含義是“感覺，情感” sensation, sentiment

　　71) sign, 含義是“標記，符號” signal, signature, design

　　72) sembl, simil, 含義是“相似，類似” similar, resemble, assimilate(同化)

　　73) soci, 含義是“結合，社交” social, association

　　74) spec, spect, spitc, spis, 含義是“看，視” inspect, spectator, conspicuous, respect

　　75) struct, 含義是“建筑，構造” structure, construct, instruct, destruction