Eich chwiliad - ((combustions or combustible) or combusting) (fossilss or (fossilis or fossilss ))* - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
combustions » combustion, combustors, compostions
combusting » combustion, composting, combating
fossilss » fossils, fossiles, fossil
fossilis » fossils, fossili, fossilised

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