Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Norse þykkr
← Old English þicce (cognate)
← Proto-Germanic *þekuz (inherited)
← Old High German dicki (cognate)
← Proto-Indo-European *tégus (inherited)
← Old Frisian thikke (cognate)
← Old Saxon thikki (cognate)

→ English thack (cognate)
→ English thwack (cognate)
→ Old English þicce (cognate)
→ Danish tyk (inherited)
→ Finnish tykky (cognate)
→ Finnish tiukka (mention)
→ Faroese tjúkkur (derived)
→ Scanian tjykker (inherited)
→ Old High German dicchi (cognate)
→ Icelandic þykkur (derived)
→ Norwegian Bokmål tjukk (mention)
→ Norwegian Bokmål tykk (derived)
→ Norwegian Nynorsk dykk (mention)
→ Norwegian Nynorsk dokk (mention)
→ Norwegian Nynorsk tjukk (mention)
→ Norwegian Nynorsk døkk (mention)
→ Old Norse þykt (suffix)
→ Old Norse þykkleikr (suffix)
→ Old Saxon thikki (cognate)
→ Swedish tjock (inherited)