Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
perpetuum
←
Latin
perpetuē
(link)
←
Latin
perpetuō
(link)
←
Latin
perpetuus
(mention)
←
Latin
in perpetuum
(link)
→
English
perpetuum mobile
(derived)
→
German
Perpetuum mobile
(derived)
→
Latin
perpetuo
(alter)
→
Latin
perpetue
(link)
→
Dutch
perpetuum mobile
(derived)