考试 vs 考（近义词）

1)The verb 考试 means"that a school or some other institution finds out the knowledge or skill of the examinee by a certain means'";考试 in 入学考试(entrance examination),数学考试(maths examination )etc.is a noun.考 has the same meaning as the verb 考试，but is more colloquial.考can also mean"to raise a difficult question for sb.to answer."
2)In example①考试 is a verb.In examples②and③考试 is a noun,which cannot be replaced by 考.Besides,考 always takes an object or complement:
3)考 is widely used in many phrases,e.g.考托福(take part in TOEFL),考执照(sit exams in applying for a licence),考本子(test for a driving license),etc.
4)考 is often used in a general sense,e.g.
5)考试 can also be used figuratively,e.g.:
6)But the figurative usage of 考试 is not as wide as that of 考.