Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
tríú
←
Irish
trí
(affix)
←
Irish
-ú
(affix)
←
Middle Irish
*trímad
(inherited)
←
Old Irish
trí
(mention)
→
Irish
trí
(link)
→
Manx
treeoo
(cognate)