Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*tegos
→
Irish
teach
(inherited)
→
Scottish Gaelic
taigh
(inherited)
→
Manx
thie
(inherited)
→
Manx
çhagh
(inherited)
→
Manx
çhaagh
(inherited)