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

→ English thick (inherited)
→ Afrikaans dik (inherited)
→ Old English þicce (inherited)
→ Cimbrian dikh (inherited)
→ Cimbrian dikhe (inherited)
→ Danish tyk (inherited)
→ German dick (inherited)
→ Finnish tykky (derived)
→ Faroese tjúkkur (derived)
→ Scanian tjykker (inherited)
→ Old High German dicchi (inherited)
→ Hunsrik dick (inherited)
→ Ido dika (derived)
→ Icelandic þykkur (derived)
→ Norwegian Bokmål tjukk (derived)
→ Dutch dik (inherited)
→ Norwegian Nynorsk tjukk (derived)
→ Old Norse þykkr (inherited)
→ Old Saxon thikki (inherited)
→ Northern Sami deahkki (derived)
→ Saterland Frisian tjuk (derived)
→ Swedish tjock (inherited)
→ West Flemish dikke (inherited)
→ Yiddish דיק (inherited)
→ Zealandic dik (inherited)