Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
-dod
←
Ancient Greek
-της
(cognate)
←
Proto-Indo-European
*-teh₂ts
(derived)
←
Cornish
-ses
(cognate)
←
Latin
-tas
(cognate)
←
Sanskrit
-ताति
(cognate)
←
Middle Welsh
-dawt
(inherited)
→
Welsh
ysmaldod
(affix)
→
Welsh
ufudd-dod
(affix)
→
Welsh
brawychdod
(affix)
→
Welsh
cryndod
(affix)
→
Welsh
cymhlethdod
(affix)
→
Welsh
-dodau
(compound)
→
Welsh
syndod
(suffix)