Come around and Call on

Come around verb - To gain consciousness again.

Call on and come around are semantically related in visit topic. In some cases you can use "Call on" instead a verb "Come around", when it comes to topics like be a guest of.

Call on verb - Have recourse to or make an appeal or request for help or information to.

Come around and call on are semantically related in visit topic. You can use "Come around" instead a verb "Call on", if it concerns topics such as be a guest of.