Make as if and Make up

Make as if verb - Begin or appear to begin an action.

Make up and make as if are semantically related. in pretend topic. In some cases you can use "Make up" instead a verb phrase "Make as if", when it comes to topics like play the part of.

Make up verb - To be all the substance of.

Make as if and make up are semantically related. Sometimes you can use "Make as if" instead a verb "Make up".