Lowborn and Low-lying

Lowborn adjective - Belonging to the class of people of low social or economic rank.

Low-lying and lowborn are semantically related. In some cases you can use "Low-lying" instead an adjective "Lowborn".

Low-lying adjective - Having relatively little height.

Lowborn and low-lying are semantically related. Sometimes you can use "Lowborn" instead an adjective phrase "Low-lying".