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

→ Welsh cyfartal (affix)
→ Irish ard (cognate)
→ Scottish Gaelic àrd (cognate)
→ Manx ard (cognate)
→ Latin arduus (cognate)
→ Old Irish ard (cognate)