Block and Hold-up

Block noun - A number of things considered as a unit.

Hold-up and block are semantically related In some cases you can use "Hold-up" instead a noun "Block".

Nearby Words: blocked, blockade, blockage, blockhead, blocking

Block and hold-up are semantically related in problem topic. Sometimes you can use "Block" instead a noun phrase "Hold-up", if it concerns topics such as obstacle.