Take-up and Take in

Take-up noun - The action of taking up as by tightening or absorption or reeling in.

Take in and take-up are semantically related. In some cases you can use "Take in" instead a verb phrase "Take-up".

Take in verb - To cause to believe what is untrue.

Take-up and take in are semantically related. Sometimes you can replace phrase "Take-up" with "Take in", this terms are similar.