Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old Irish fern
← Proto-Celtic *wernā (inherited)
← Welsh gwern (cognate)
← Old Armenian գերան (cognate)

→ Breton gwern (cognate)
→ Welsh gwern (cognate)
→ French vergne (cognate)
→ Scottish Gaelic feàrna (inherited)
→ Manx farney (inherited)
→ Cornish gwern (cognate)