Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Germanic *þanjaną

→ English thin (mention)
→ Old English þennan (inherited)
→ Old English þenian (inherited)
→ Old Swedish þænia (inherited)
→ Icelandic þenja (inherited)
→ Old Norse þenja (inherited)
→ Norn tana (inherited)
→ Old Dutch thennen (inherited)