Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
éadrom
←
Irish
éa-
(affix)
←
Irish
trom
(affix)
←
Scottish Gaelic
aotrom
(cognate)
←
Old Irish
étrum
(inherited)
→
Irish
trom
(link)
→
Irish
barréadrom
(affix)