flig, flict
bat, batt
fend, fens, fenc
pugn

flig, flict
詞根含義：to strike;
助記詞：conflict，con（一起）+flict（打）=》一起打=》斗爭，沖突
同根詞：profligate, afflict, conflict, inflict

bat, batt
詞根含義：to beat;
助記詞：battle，batt（打）+le=》戰(zhàn)斗
同根詞：battle, batter, abate, combate, debate, rebate

fend, fens, fenc
詞根含義：to hit;
助記詞：defend，de（去掉）+fend（打）=》避免被打=》防守
同根詞：fender, defend, offend, fence, fencible

pugn
詞根含義：to fight;
助記詞：pugnacious，pugn（打斗）+acious（形容詞后綴）=》好斗的
同根詞： pugnacious, pugnacity, expugnable, impugn, repugnant, pungent

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