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 swǣr

→ English swear (inherited)
→ English serious (cognate)
→ English sweer (inherited)
→ Middle English swar (inherited)
→ Middle English suere (inherited)
→ Middle English swer (inherited)
→ Middle English swere (inherited)
→ Latin serius (cognate)
→ Scots sweir (inherited)