Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
um
←
Proto-Celtic
*ambi
(inherited)
←
Proto-Indo-European
*h₂m̥bʰi
(inherited)
←
Old Irish
imb
(inherited)
→
Scottish Gaelic
mu
(cognate)
→
Manx
mysh
(cognate)