Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
kex
←
Welsh
cecys
(cognate)
←
Welsh
cegid
(cognate)
←
Middle English
kex
(derived)
←
Latin
cicūta
(cognate)
→
English
kecksy
(mention)
→
Latin
cicuta
(cognate)
→
Swedish
hundkäx
(mention)