Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latvian viens
Belarusian адзі́н (cognate)
Bulgarian еди́н (cognate)
Czech - (cognate)
Old Church Slavonic ѥдинъ (cognate)
Old Church Slavonic ѥдьнъ (mention)
German eins (cognate)
English one (cognate)
Gothic 𐌰𐌹𐌽𐍃 (cognate)
Ancient Greek οἰνός (cognate)
Proto-Balto-Slavic *eynos (mention)
Proto-Balto-Slavic (mention)
Proto-Indo-European (derived)
Proto-Indo-European *éy (mention)
Proto-Indo-European *óy (mention)
Proto-Indo-European (mention)
Proto-Indo-European *óynos (cognate)
Proto-Indo-European *-nos (mention)
Proto-Indo-European *oinos (mention)
Latin ūnus (cognate)
Lithuanian víenas (cognate)
Latvian viens (mention)
Polish jeden (cognate)
Old Prussian - (cognate)
Old Prussian ains (cognate)
Russian оди́н (cognate)
Old Irish oín (cognate)
Slovak - (cognate)
Proto-Slavic *inъ (cognate)
Proto-Slavic *edinъ (mention)
Proto-Slavic *edьnъ (mention)
Ukrainian - (cognate)

Latgalian vīns (cognate)
Latvian viens (mention)
Latvian viņš (mention)
Latvian vieninieks (suffix)
Latvian vienīgs (suffix)
Latvian vienot (mention)
Latvian vienmēr (compound)
Latvian neviens (prefix)
Latvian vienāds (affix)
Latvian vienlaikus (mention)
Latvian vienlīdzīgs (affix)