Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
Στύξ
←
Ancient Greek
στυγνός
(mention)
→
English
stygian
(mention)
→
English
Styx
(borrowed)
→
English
stygo-
(derived)
→
Czech
Styx
(borrowed)
→
German
Styx
(borrowed)
→
Spanish
Estigia
(derived)
→
French
Styx
(mention)
→
Hungarian
Sztüx
(mention)
→
Italian
Stige
(mention)
→
Italian
stigio
(mention)
→
Latin
Styx
(borrowed)