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

→ German zittern (inherited)
→ Faroese titra (inherited)
→ Old High German zittaron (inherited)
→ Icelandic titra (inherited)
→ Old Norse titra (inherited)
→ Old Norse dither (inherited(non/en))
→ Albanian cicëroj (cognate)