Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Swedish er
← Proto-Germanic *izwiz (inherited)
← Proto-Germanic *jūz (mention)
← Proto-Indo-European *yū́ (derived)
← Old Norse yðr (inherited)
← Swedish eder (mention)

→ Old English eow (cognate)
→ Danish jer (cognate)
→ Danish jeres (cognate)
→ Swedish belgier (suffix)
→ Swedish erfara (prefix)
→ Swedish erövra (prefix)
→ Swedish fysiker (suffix)
→ Swedish musiker (suffix)
→ Swedish matematiker (suffix)
→ Swedish historiker (suffix)
→ Swedish erbjuda (prefix)
→ Swedish laotier (suffix)
→ Swedish erhålla (prefix)
→ Swedish erkänna (prefix)
→ Swedish perser (suffix)
→ Swedish grammatiker (suffix)
→ Swedish akustiker (suffix)
→ Swedish tekniker (suffix)
→ Swedish ersätta (prefix)
→ Swedish lyriker (suffix)
→ Swedish kriminaltekniker (suffix)
→ Swedish logiker (suffix)
→ Swedish botaniker (suffix)
→ Swedish statistiker (suffix)
→ Swedish nyromantiker (suffix)