Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
gimmagh
→
Welsh
cimwch
(cognate)
→
Irish
gliomach
(cognate)
→
Scottish Gaelic
giomach
(cognate)