Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
blaen
←
Proto-Indo-European
*gʷelH-
(derived)
→
English
Blaney
(mention)
→
English
Blaenrhondda
(derived)
→
English
Blaengarw
(derived)
→
Welsh
ymlaen
(compound)
→
Welsh
o flaen
(compound)
→
Welsh
blaenor
(affix)