Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
tom
←
Irish
tomacha
(alter)
←
Irish
(alter)
←
Irish
Cois Fharraige
(alter)
←
Irish
tomach
(link)
←
Old Irish
tom
(inherited)
→
English
toman
(mention)
→
Galician
tombo
(cognate)