Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
spiorad
←
Latin
spīritus
(derived)
←
Old Irish
spirut
(inherited)
→
Irish
spioradálta
(mention)
→
Irish
lagsprid
(compound)
→
Irish
ainspiorad
(affix)
→
Manx
spyrryd
(cognate)