exam examination有区别，两者的区别主要是意思、用法、侧重点的不同。exam指检查，用于教学指考试，examination指考查，用于法庭，指由律师进行的讯问。

例句：Failing one exam is not the end of the world.一次考试不及格并非世界末日。How many students have been entered for the exam?有多少学生报名参加考试？All students without exception must take the English examination.所有学生都必须参加英语考试，无一例外。