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

→ English dour (derived)
→ English dure (derived)
→ English dur (mention)
→ English durum (mention)
→ Arabic دراق (mention)
→ Asturian duru (inherited)
→ Catalan dur (inherited)
→ Welsh dur (borrowed)
→ German Dur (derived)
→ Dalmatian doir (inherited)
→ Spanish duro (inherited)
→ Persian دور (cognate)
→ French dur (inherited)
→ Friulian dûr (inherited)
→ Irish dúr (derived)
→ Scottish Gaelic dùr (derived)
→ Galician duro (inherited)
→ Ancient Greek δροόν (cognate)
→ Ancient Greek δηρός (cognate)
→ Icelandic dúr (derived)
→ Istriot doûro (inherited)
→ Italian duro (inherited)
→ Italian dur (inherited(it/lmo))
→ Latin duro (affix)
→ Latin dure (mention)
→ Latin duriter (suffix)
→ Latin duracinus (mention)
→ Latin duritia (affix)
→ Latin durissimus (affix)
→ Latin duresco (affix)
→ Latin durities (suffix)
→ Ligurian dûo (inherited)
→ Lombard dür (inherited)
→ Middle Irish dúr (borrowed)
→ Norman dû (inherited)
→ Norman duther (mention)
→ Occitan dur (inherited)
→ Polish dur (derived)
→ Portuguese duro (inherited)
→ Portuguese durante (mention)
→ Romansch dir (inherited)
→ Romansch deir (inherited)
→ Romansch dür (inherited)
→ Romanian dur (borrowed)