Efallai y dylech gynnig rhai amrywiadau sillafu:
combustiveis » combustions, combustibles
combusting » combustions, combustion, composting
combustor » combustion
fossili" » fossilis", fossils", fossile"
fossilised" » fossilissed", fossilssed", fossilesed", fossilized", fossilis"
fossiles" » fossils", fossile", fossilis"

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

• Cynnal chwiliad niwlog a allai adalw termau sydd wedi'u sillafu'n debyg: "(combustiveis or (combusting or combustor)) ((fossili" or fossil") or (fossilised" or fossiles"))~.
• Os ydych yn ceisio defnyddio gweithredwyr Boolean, rhaid defnyddio PRIFLYTHRENNAU: "(combustiveis OR (combusting OR combustor)) ((fossili" or fossil") OR (fossilised" or fossiles")).
• Gallai tynnu'r dyfynodau ganiatáu chwiliad ehangach: (combustiveis or (combusting or combustor)) ((fossili or fossil ) or (fossilised or fossiles )).
• Efallai y byddai ychwanegu symbol nod-chwiliwr yn adfer amrywiad geiriau: "(combustiveis or (combusting or combustor)) ((fossili" or fossil") or (fossilised" or fossiles"))*.