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 *prews-

→ English freeze (derived)
→ English frost (derived)
→ Old English freosan (derived)
→ Welsh rhew (inherited)
→ German frieren (derived)
→ Irish reo (inherited)
→ Galician proer (derived)
→ Westrobothnian fruus (inherited)
→ Old High German friosan (derived)
→ Gothic 𐍆𐍂𐌹𐌿𐍃 (derived)
→ Icelandic frjósa (derived)
→ Latin pruina (inherited)
→ Latin pruna (derived)
→ Latin pruna (derived)
→ Latin prurio (derived)
→ Middle Irish reód (inherited)
→ Norwegian Bokmål fryse (derived)
→ Dutch vriezen (derived)
→ Norwegian Nynorsk frysa (root)
→ Norwegian Nynorsk frys (root)
→ Norwegian Nynorsk frysar (root)
→ Norwegian Nynorsk frysing (root)
→ Old Norse frjósa (root)
→ Old Norse frjósa (derived)
→ Old Saxon friosan (derived)
→ Sanskrit प्लोषति (derived)
→ Old Irish réud (inherited)
→ Albanian prush (derived)
→ Swedish frysa (derived)
→ Venetian puìna (inherited)