Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Armenian ամառն
Proto-Celtic *samos (cognate)
Persian هامین (cognate)
Proto-Germanic *sumaraz (cognate)
Proto-Indo-European (mention)
Proto-Indo-European *semh₂- (inherited)
Russian лет (cognate)
Russian ле́то (mention)
Old Armenian ամ (cognate)

Irish samhradh (cognate)
Manx sourey (cognate)
Armenian ամառ (mention)
Old Irish sam (cognate)
Old Irish samrad (cognate)
Old Armenian ամ (mention)
Old Armenian ամառնային (suffix)
Old Armenian ամարային (suffix)
Old Armenian ամարայնի (suffix)
Old Armenian ամարանոց (suffix)
Old Armenian ամարաստան (suffix)