Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
bláith
←
Proto-Indo-European
(derived)
←
Proto-Indo-European
*melh₂-
(suffix)
←
Proto-Indo-European
*tis
(suffix)
←
Old Irish
bláith
(inherited)
←
Old Irish
mláith
(mention)
→
Irish
bláithe
(affix)