Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Irish ga
Old English gār (cognate)
Gaulish - (cognate)
Proto-Celtic *gaisos (inherited)
Welsh gwayw (cognate)
Proto-Indo-European *ǵʰays- (derived)
Latin gaesum (cognate)
Old Irish gath (inherited)
Old Irish goth (mention)
Old Irish gae (mention)

Welsh gwayw (cognate)
Irish ríoga (suffix)
Irish sinnseardha (suffix)
Irish ga-shiméadracht (affix)
Irish alfa-gha (affix)
Irish ga-shiméadrach (affix)
Latin gaesum (mention)
Norwegian Nynorsk geir (cognate)