Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic gat
Proto-Germanic *gatą (inherited)
Icelandic standa á gati (link)
Icelandic reka á gat (link)
Old Norse gat (inherited)

Icelandic gata (mention)
Icelandic rassgat (affix)
Icelandic skráargat (compound)