Eich chwiliad - (combustiveis or combustions) ((fossilis or fossili ) or (fossilsed or fossiled ))~ - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
combustiveis » combustibles
combustions » combustion, combustors, combusting
fossilis » fossils, fossilised, fossil, fossilss, fossiles
fossili » fossil, fossils, fossile
fossilsed » fossilised, fossilisted, fossilized
fossiled » fossile, fossiles, fossilized

Efallai y cewch fwy o ganlyniadau drwy addasu'ch ymholiad chwilio.