Block and Starting block

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

Starting block and block are semantically related. In some cases you can replace phrase "Starting block" with "Block", this terms are similar.

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

Starting block noun - Block providing bracing for a runner's feet at start of a race.

Block and starting block are semantically related. You can use "Block" instead a noun phrase "Starting block".