Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English fathom
Old English fæþm (inherited)
Old English fæþme (mention)
Danish favn (cognate)
German Faden (cognate)
English petal (mention)
Middle English fathome (inherited)
Middle English fadome (mention)
Proto-Germanic *faþmaz (derived)
Ancient Greek πετάννυμι (cognate)
Ancient Greek πέταλος (cognate)
Proto-Indo-European *peth₂- (root)
Proto-Indo-European *pet- (derived)
Icelandic faðmur (cognate)
Latin pateō (cognate)
Norwegian Bokmål favn (cognate)
Low German fadem (cognate)
Low German faem (mention)
Dutch vadem (cognate)
Dutch vaam (mention)
Swedish famn (cognate)

English twig (link)
English pass (link)
English fathomable (suffix)
English unfathomable (affix)
English petal (cognate)
English fathomless (suffix)
English fathometer (suffix)
English fathomer (suffix)
English unfathomability (affix)
English fathomability (suffix)
English unfathom (affix)
English fathomly (affix)
English fathomly (affix)
Cimbrian baadom (cognate)
Ancient Greek πέταλος (mention)
Ancient Greek πετάννυμι (cognate)
Latin pateo (cognate)
Luxembourgish Fuedem (cognate)
German Low German Faam (cognate)
Norwegian Nynorsk famn (cognate)
Albanian pe (cognate)