Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
uaigneach
←
Proto-Indo-European
*h₂ew
(derived)
←
Latin
ōtium
(cognate)
←
Middle Irish
uagnech
(inherited)
←
Old Norse
auðr
(cognate)
←
Old Irish
uath
(derived)