Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
poeniō
→
Welsh
poeni
(borrowed)
→
Latin
poeniens
(mention)
→
Latin
poeniturus
(mention)
→
Latin
poenitus
(mention)
→
Latin
poeniendus
(mention)