Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
lethargic
←
English
Lethe
(mention)
←
Ancient Greek
ληθαργικός
(mention)
←
Ancient Greek
λήθαργος
(mention)
←
Ancient Greek
λήθη
(mention)
←
Ancient Greek
ἀργός
(mention)
→
English
lethargically
(suffix)
→
English
lethargicness
(suffix)
→
English
lethe
(link)
→
English
antilethargic
(prefix)