Set out and Set sail

Set out verb - To give a representation or account of in words.

Set sail and set out are semantically related in depart topic. In some cases you can use "Set sail" instead a verb "Set out", when it comes to topics like go forth, get on transportation object.

Set out and set sail are semantically related in go forth topic. You can use "Set out" instead a verb phrase "Set sail", if it concerns topics such as get started on trip.