Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Irish marc
Old English mearh (cognate)
Old English mearc (derived)
Breton marc’h (cognate)
Proto-Celtic *markos (inherited)
Welsh march (cognate)
English mark (borrowed)
Irish láir (link)
Irish marg (doublet)
Irish marg (link)
Old Irish marc (inherited)

Old English mearh (cognate)
Irish marg (doublet)
Irish marcra (affix)
Irish marcáil (suffix)
Japanese (cognate)
Jeju ᄆᆞᆯ (cognate)