Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
fiftieth
←
English
fifty
(suffix)
←
English
eth
(suffix)
←
Middle English
fiftythe
(inherited)
←
Middle English
fyftith
(mention)
→
English
fiftiethly
(suffix)
→
Cimbrian
büuskhte
(cognate)