developed1

developed2

wedi addysgu, wedi aeddfedu, wedi datblygu, wedi egino, wedi ehangu, wedi esblygu, wedi gwella, wedi helaethu, wedi meithrin, wedi pryfio, wedi tyfu, wedi ymhelaethu

The sample below shows the English-Welsh Thesaurus record for 'sing':