Chock-full and Up to the rafters

Chock-full adjective - Containing or seeming to contain the greatest quantity or number possible.

Up to the rafters and chock-full are semantically related In some cases you can use "Up to the rafters" instead an adjective phrase "Chock-full".

Chock-full and up to the rafters are semantically related in full topic. Sometimes you can use "Chock-full" instead an adjective phrase "Up to the rafters", if it concerns topics such as blocked.