Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
géiss
←
Proto-Celtic
*gansis
(inherited)
←
Proto-Indo-European
*ǵʰh₂éns
(inherited)
→
Latin
anser
(cognate)
→
Sanskrit
हंस
(cognate)