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

→ Irish fearnóg (cognate)
→ Manx farney (cognate)