Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English twā

→ English two (inherited)
→ English betwixen (mention)
→ Middle English two (inherited)
→ Ancient Greek δύο (cognate)
→ Latin duo (cognate)
→ Old Norse tveir (cognate)
→ Sanskrit द्व (cognate)