Jetty and Onyx

Jetty noun - A structure used by boats and ships for taking on or landing cargo and passengers.

Onyx and jetty are semantically related in colors topic. In some cases you can use "Onyx" instead an adjective "Jetty".

Onyx noun - A chalcedony with alternating black and white bands; used in making cameos.

Jetty and onyx are semantically related in black topic. You can use "Jetty" instead an adjective "Onyx", if it concerns topics such as colors.