Bear down on and Stick to

Bear down on verb - To push steadily against with some force.

Stick to and bear down on are semantically related In some cases you can use "Stick to" instead a verb "Bear down on".

Stick to verb - Stick to firmly.

Bear down on and stick to are semantically related in charge topic. Sometimes you can use "Bear down on" instead a verb "Stick to", if it concerns topics such as encumber.