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

Efallai y dylech gynnig rhai amrywiadau sillafu:
combustibles » combustible, compatibles, comestible
combustions » combustion, combustors, combusting
fossilis" » fossils", fossili", fossilised"
fossilsed" » fossilised", fossilisted", fossilized"
fossiled" » fossile", fossiles", fossilized"

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