Round up and Scare up

Round up verb - To bring together in one body or place.

Scare up and round up are semantically related In some cases you can use "Scare up" instead a verb "Round up".

Scare up verb - To come upon after searching, study, or effort.

Round up and scare up are semantically related in gather topic. You can use "Round up" instead a verb "Scare up", if it concerns topics such as congregate, accumulate, meet, bring together.