Galley and Sloop

Galley noun - A large medieval vessel with a single deck propelled by sails and oars with guns at stern and prow; a complement of 1,000 men; used mainly in the Mediterranean for war and trading.

Sloop and galley are semantically related In some cases you can use "Sloop" instead a noun "Galley".

Sloop noun - A sailing vessel with a single mast set about one third of the boat's length aft of the bow.

Galley and sloop are semantically related in boat propelled with wind by sailcloth topic. Sometimes you can use "Galley" instead a noun "Sloop".