Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
thio
→
French
thioéther
(prefix)
→
French
thiourée
(prefix)
→
French
thioacétamide
(prefix)
→
French
thiolactique
(prefix)
→
French
thiocarbonyle
(prefix)