Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
lethe
←
English
lethean
(link)
←
English
lethargy
(link)
←
English
lethargic
(link)
←
Ancient Greek
Λήθη
(cognate)
←
Latin
Lēthē
(derived)
←
Latin
lētum
(cognate)