Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Romanian luminos
Latin lūminōsus (inherited)
Romanian lumină (suffix)
Romanian os (suffix)
Aromanian lunjinos (cognate)

Romanian lumina (link)
Romanian Luminos (mention)
Romanian Luminosu (mention)
Aromanian lunjinos (cognate)