Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Irish barr
Proto-Celtic *barros (inherited)
English bar (cognate)
Old French barre (derived)
Old French barrer (mention)
Irish cafarr (link)
Proto-Indo-European *bʰers- (inherited)
Old Irish barr (inherited)
Middle Welsh barr (cognate)

English Barry (mention)
English Barry (cognate)
English Dunbar (mention)
English Barr (mention)
Irish uchtbharr (affix)
Irish príomhbharr (prefix)
Irish barr- (mention)
Irish barréadrom (affix)
Irish barraicín (mention)
Galician barra (cognate)
Latin reburrus (cognate)
Middle Welsh barr (cognate)