Using "board" as the first part:
* Boardwalk: A wooden walkway along a beach or waterfront.
* Boardroom: A room where a board of directors meets.
* Boarder: A person who pays to live and eat in someone else's home.
* Boardgame: A game played on a board with pieces.
* Boarder: A person who pays to live and eat in someone else's home.
Using "board" as the second part:
* Blackboard: A dark-colored board used for writing with chalk.
* Clipboard: A flat board with a clip for holding papers.
* Footboard: The board at the foot of a bed.
* Headboard: The board at the head of a bed.
* Sideboard: A piece of furniture with shelves and drawers.
Other compound words:
* Shipboard: On a ship
* Onboard: Located inside a vehicle
* Overboard: Going over the side of a ship
It depends on the specific context you are looking for! Can you give me more information about the compound word you're trying to find?