Molten and Serous

Molten adjective - Reduced to liquid form by heating.

Serous and molten are semantically related In some cases you can use "Serous" instead an adjective "Molten".

Serous adjective - Of or producing or containing serum.

Molten and serous are semantically related in fluid topic. Sometimes you can use "Molten" instead an adjective "Serous", if it concerns topics such as liquid.