Come over and Look up

Come over verb - To make a brief visit.

Look up and come over are semantically related. in visit topic. In some cases you can use "Look up" instead a verb "Come over", when it comes to topics like accompany, visit at residence or business, visit someone.

Look up verb - To go in search of.

Come over and look up are semantically related. You can use "Come over" instead a verb "Look up".