Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh iadur

Welsh geiriadur (suffix)
Welsh cyfrifiadur (suffix)
Welsh newyddiadur (suffix)
Welsh gwyddoniadur (suffix)
Welsh bywgraffiadur (suffix)
Welsh amseriadur (suffix)
Welsh emyniadur (suffix)
Welsh blwyddiadur (suffix)
Welsh holiadur (suffix)
Welsh oriadur (suffix)
Welsh rheoliadur (suffix)
Welsh gwreiddiadur (suffix)