Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
frém
←
Proto-Celtic
*wridmā
(inherited)
←
Welsh
greddf
(cognate)
←
Proto-Indo-European
*wréh₂ds
(derived)
←
Old Irish
frén
(mention)
→
Welsh
greddf
(cognate)
→
Irish
fréamh
(inherited)
→
Scottish Gaelic
freumh
(inherited)
→
Manx
fraue
(inherited)