Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
àireamh
←
Irish
áireamh
(cognate)
←
Manx
earroo
(cognate)
←
Old Irish
áirem
(inherited)
←
Old Irish
ad·rími
(mention)
→
Scottish Gaelic
prìomh-àireamh
(prefix)
→
Scottish Gaelic
àir.
(link)
→
Scottish Gaelic
àireamhach
(affix)
→
Manx
earroo
(cognate)