Block and Building block

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

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

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

Building block noun - One of the parts that make up a whole.

Block and building block are semantically related. Sometimes you can use "Block" instead a noun phrase "Building block".