Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic æra
← Icelandic ærandi (link)
← Old Norse œra (inherited)

→ Icelandic uppreisn æru (mention)
→ Icelandic ærlegur (affix)
→ Icelandic ærulaus (suffix)
→ Icelandic ærumeiða (compound)
→ Icelandic æruprís (compound)
→ Icelandic æruverður (compound)
→ Swedish ära (cognate)