Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *dwi-

English twist (root)
English twi- (derived)
English evitable (mention)
Hindi दूज (mention)
Icelandic tví- (inherited)
Latin dubito (derived)
Latin vito (mention)
Latin vitium (inherited)
Latin dubius (derived)
Latvian dvīnis (mention)
Old Norse tví- (inherited)
Sanskrit द्वितीय (mention)
Sardinian binti (mention)
Old Irish díabul (derived)
Albanian degë (mention)
Old Armenian երկու (mention)