Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latvian būt
Proto-Balto-Slavic *bū́ˀtei (inherited)
Proto-Indo-European *bʰuH- (derived)
Proto-Indo-European (mention)
Proto-Indo-European *h₁es- (derived)
Proto-Indo-European *h₁ésmi (mention)
Latvian esmu (mention)
Latvian ir (mention)
Latvian nav (mention)

Old Church Slavonic бꙑти (cognate)
Lithuanian būti (cognate)
Latgalian byut (cognate)
Latvian būšana (suffix)
Latvian esība (mention)
Latvian būtisks (suffix)
Latvian būtība (suffix)
Latvian būtne (suffix)
Latvian nebūšana (prefix)
Latvian varbūt (compound)
Polish być (cognate)