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

English regular (mention)
English Regel (derived(en/de))
English irregulous (derived)
Catalan rella (derived)
Danish regel (derived)
Danish reol (derived)
German Riegel (derived)
Middle English reule (derived)
Spanish reja (inherited)
French rigole (derived)
Old French tiule (mention)
Irish riail (derived)
Scottish Gaelic riaghail (derived)
Galician rella (inherited)
Indonesian reguler (mention)
Italian regola (borrowed)
Latin canon (link)
Latin regno (link)
Latin regularis (mention)
Luxembourgish Spigel (mention)
Dutch regel (derived)
Norman relle (mention)
Norman rédgulyi (mention)
Polish reguła (borrowed)
Polish reling (derived)
Portuguese régua (borrowed)
Portuguese regra (borrowed)
Portuguese relha (inherited)
Romanian regulă (borrowed)
Romanian riglă (derived)
Old Irish riaghailt (borrowed(sga/gd))