Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
dof
←
Welsh
dofednod
(link)
←
Welsh
dofi
(link)
←
Welsh
dod
(mention)
←
Welsh
da
(link)
←
Welsh
deuaf
(link)
←
Welsh
do
(link)
←
English
tame
(cognate)
←
Proto-Indo-European
*demh₂-
(inherited)
→
Welsh
do
(alter)
→
Welsh
da
(alter)