Get on and Make headway

Get on verb - To meet one's day-to-day needs.

Make headway and get on are semantically related In some cases you can use "Make headway" instead a verb "Get on".

Make headway verb - Obtain advantages, such as points, etc..

Get on and make headway are semantically related in turn out topic. You can use "Get on" instead a verb phrase "Make headway", if it concerns topics such as make progress, move forward.