Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
snáthat
←
Welsh
nodwydd
(cognate)
←
Old Irish
snáth
(mention)
→
Welsh
nodwydd
(cognate)
→
Irish
snáthaid
(inherited)
→
Scottish Gaelic
snàthad
(inherited)
→
Manx
snaid
(inherited)