Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Lithuanian
mìnti
→
Breton
mont
(cognate)
→
Welsh
mynd
(cognate)
→
Latvian
mīt
(cognate)
→
Middle Welsh
mynet
(mention)