Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old High German ēr

→ Old English ær (cognate)
→ German eher (inherited)
→ German ehern (inherited)
→ Old High German erist (affix)
→ Alemannic German eerig (inherited)
→ Icelandic eir (cognate)
→ Luxembourgish éier (derived)
→ Low German ehr (cognate)
→ Yiddish ערשט (mention)