Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old English þweran
← Proto-Germanic *þweraną (inherited)

→ English trill (derived)
→ English tirl (derived)
→ English twire (inherited)
→ Old English aþweran (prefix)
→ Old English geþweran (prefix)
→ Old English þwirel (affix)
→ Danish tvære (cognate)
→ Ancient Greek τορύνη (cognate)