Check up on and Double-checking

Check up on verb - Examine so as to determine accuracy, quality, or condition.

Double-checking and check up on are semantically related In some cases you can use "Double-checking" instead a verb "Check up on".

Check up on and double-checking are semantically related in confirm topic. Sometimes you can use "Check up on" instead a verb phrase "Double-checking", if it concerns topics such as make sure.