Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
tòisich
←
Old Irish
tosaigid
(inherited)
→
Irish
tosach
(mention)
→
Scottish Gaelic
ath-thòisich
(prefix)
→
Manx
toshee
(cognate)