Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
llad
→
English
latex
(cognate)
→
Welsh
llatai
(affix)
→
Welsh
llatai
(affix)
→
Latin
latex
(cognate)