词根词缀:congru-
【来源及含义】Latin: to agree, to come together, to correspond with; "suitable, proper," from Latin congruentem, congruens, "agreeing, fit, suitable" from congruere, literally, "to come together, to agree, to meet", from com-, "with, together" + gruere, ruere, "to fall, to rush"
【同源单词】congruence, congruency, congruent, congruently, congruism, congruist