Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
dal
←
Proto-Brythonic
*dalg-
(inherited)
←
Welsh
dala
(alter)
←
Welsh
(alter)
←
Welsh
South Wales
(alter)
←
Proto-Indo-European
*delgʰ-
(derived)
←
Latin
indulgeo
(cognate)
→
Welsh
atal
(affix)
→
Welsh
dalfa
(affix)
→
Welsh
cynnal
(affix)
→
Welsh
daliwr
(affix)
→
Welsh
deiliad
(affix)
→
Welsh
daliad
(affix)
→
Welsh
yn dal
(mention)