Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
àrd-
→
Scottish Gaelic
àrd-rìgh
(affix)
→
Scottish Gaelic
àrd-athair
(affix)
→
Scottish Gaelic
àrd-bhainrìgh
(affix)