Ketch and Sloop

Ketch noun - A sailing vessel with two masts; the mizzen is forward of the rudderpost.

Sloop and ketch are semantically related in pleasure boat topic. In some cases you can use "Sloop" instead a noun "Ketch", when it comes to topics like vehicle for water travel, boat propelled with wind by sailcloth.

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

Ketch and sloop are semantically related in pleasure boat topic. You can use "Ketch" instead a noun "Sloop", if it concerns topics such as vehicle for water travel, boat propelled with wind by sailcloth.