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

Spanish irrigar (borrowed)
French irriguer (borrowed)
Italian irrigare (mention)
Latin irriguus (affix)
Latin irrigatio (affix)
Latin irrigans (mention)
Latin irrigaturus (mention)
Latin irrigatus (mention)
Latin irrigandus (mention)
Dutch irrigeren (derived)
Portuguese irrigar (borrowed)