subblock

• a word derived from block.
  block

  noun

  a solid mass of wood, stone, etc., usually with one or more flat or approximately flat faces.

Related Words

• arrest
• bar
• blockade
• clog
• close
• close off
• cut off
• deter
• halt
• hinder
• hold up
• impede
• intercept
• prevent
• stall
• stop
• thwart