Ship of fuels is a term used to describe vessels that are used to transport fuel, such as oil and gas. The three crossword solutions for this term are OILER (5 letters), TANKER (6 letters), and OILTANKER (9 letters). An OILER is a ship that carries oil or other liquid cargo, while a TANKER is a large vessel used to transport liquids or gases in bulk. An OILTANKER is a type of TANKER specifically designed to carry oil.