Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English oath
← Old English āþ (inherited)
← German Eid (cognate)
← Middle English ooth (inherited)
← Middle English oth (mention)
← Middle English ath (mention)
← North Frisian ith (cognate)
← North Frisian iss (mention)
← West Frisian eed (cognate)
← Proto-Germanic *aiþaz (inherited)
← Proto-Indo-European *h₁óytos (inherited)
← Icelandic eið (cognate)
← Latin ūtor (cognate)
← Dutch eed (cognate)
← Scots aith (cognate)
← Scots athe (mention)
← Old Irish óeth (cognate)
← Swedish ed (cognate)

→ English oathbound (compound)
→ English oathbreaker (compound)
→ English oathable (suffix)
→ English oath-ring (compound)
→ English oathbreaking (compound)
→ English oathlike (suffix)
→ English oathless (suffix)
→ English oathbreach (compound)
→ English oathtaking (compound)
→ English oathlet (suffix)
→ German Eid (cognate)
→ Luxembourgish Eed (cognate)
→ German Low German Eed (link)
→ Dutch eed (cognate)
→ Old Norse eiðr (cognate)
→ Polish rota (link)
→ Saterland Frisian Eed (link)