Eich chwiliad - "(combustiveis or combustion) (fossilis" or (fossiled" or ((fossils" OR fossil") or fossilised")))* - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
combustiveis » combustions, combustibles
fossilis" » fossili", vassilis", sessilis"
fossilised" » fossilied", vassilised", sessilised", fossilized"
fossiled" » fossile", fossiles", fossilized"

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