Look in on and Stop by

Stop by and look in on are semantically related in visit topic. In some cases you can use "Stop by" instead a verb "Look in on", when it comes to topics like visit at residence or business, be a guest of.

Look in on and stop by are semantically related in visit topic. You can use "Look in on" instead a verb "Stop by", if it concerns topics such as visit at residence or business, be a guest of.