Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
στυγνός
←
Ancient Greek
στυγέω
(affix)
←
Ancient Greek
-νός
(affix)
←
Proto-Indo-European
*(s)tewg-
(derived)
←
Sanskrit
तुदति
(cognate)
→
Ancient Greek
Στύξ
(mention)