词根词缀：angle, angu-

【来源及含义】Latin: a corner, a bend

【同源单词】acutangular, acute angle, angle, angle, angular, angularly

词根词缀：quinqu-, quinqua-, quinque-

【来源及含义】Latin: five, fifth; a word element for number 5

【同源单词】quinquagenarian, quinquagenary, Quinquagesima, quinquagesimal, quinquangular, quinquefarious