Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
túr
←
Old French
tor
(derived)
←
Scottish Gaelic
tùr
(cognate)
←
Latin
turris
(derived)
→
Irish
miontúr
(affix)
→
Irish
tuar
(alter)
→
Irish
tuar
(alter)
→
Scottish Gaelic
tùr
(cognate)