Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
reicteam
←
Latin
[[rēctum]] [[intestīnum]]
(derived)
←
Latin
rēctum
(mention)
←
Latin
rēctus
(mention)
→
Irish
reicteach
(mention)