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

→ English threat (cognate)
→ Old English þreat (mention)
→ Irish troid (cognate)
→ Scottish Gaelic trod (cognate)
→ Scottish Gaelic troid (cognate)
→ Icelandic þraut (mention)