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

→ English fish (root)
→ English fish (inherited)
→ English piscine (root)
→ English Pisces (root)
→ English piscina (root)
→ English fisi (root(en/srn))
→ Old English fisc (inherited)
→ Catalan peix (inherited)
→ Corsican pesciu (inherited)
→ Danish fisk (inherited)
→ Spanish pez (inherited)
→ French poisson (derived)
→ West Frisian fisk (derived)
→ Galician peixe (inherited)
→ Westrobothnian fisk (inherited)
→ Old High German fisk (inherited)
→ Italian pesce (inherited)
→ Latin piscis (inherited)
→ Ligurian péscio (root)
→ Ligurian péscio (mention)
→ Mòcheno visch (root)
→ Norwegian Bokmål fisk (derived)
→ Norwegian Bokmål fisker (root)
→ Norwegian Bokmål fisker (inherited)
→ Norwegian Bokmål abborfisker (inherited)
→ Norwegian Nynorsk fisk (derived)
→ Old Norse fiskr (derived)
→ Norman paîsson (inherited)
→ Norman peissoun (inherited)
→ Norman païssaon (inherited)
→ Old Dutch fisc (derived)
→ Old Spanish pez (inherited)
→ Old Saxon fisk (inherited)
→ Elfdalian fisk (inherited)
→ Portuguese peixe (inherited)
→ Portuguese pescar (derived)
→ Romansch pesch (inherited)
→ Romansch pestg (inherited)
→ Romansch pèsch (inherited)
→ Romanian pește (inherited)
→ Old Portuguese peyxe (inherited)
→ Sardinian pische (inherited)
→ Old Irish íasc (inherited)
→ Swedish fisk (root)
→ Swedish fisk (inherited)