Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
sēnī
→
English
senary
(mention)
→
English
senocular
(derived)
→
Latin
senis
(mention)
→
Latin
senarius
(mention)
→
Latin
senio
(mention)
→
Portuguese
sena
(derived)