Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
ós
←
Irish
ó
(mention)
←
Irish
is
(mention)
←
Irish
é
(mention)
←
Irish
ea
(mention)
←
Irish
í
(mention)
←
Irish
iad
(mention)
←
Irish
é
(mention)
←
Irish
ea
(mention)
←
Irish
í
(mention)
←
Irish
iad
(mention)
←
Irish
gach
(mention)
←
Proto-Indo-European
*h₃éh₁os
(derived)
←
Latin
ōs
(derived)
←
Old Norse
*óss
(derived)
→
Irish
ó
(link)