Check and Catch on

Check verb - To be in agreement on every point.

Catch on and check are semantically related In some cases you can use "Catch on" instead a verb "Check".

Nearby Words: checked, checking, checkup, checker, checklist

Catch on verb - Understand, usually after some initial difficulty.

Check and catch on are semantically related in discover topic. Sometimes you can use "Check" instead a verb "Catch on", if it concerns topics such as make sure.