Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
eiterig
←
German
Eiter
(suffix)
←
German
ig
(suffix)
←
English
attery
(cognate)
←
Proto-Germanic
*aitrīgaz
(inherited)
←
Middle High German
eiteric
(inherited)
←
Middle High German
eitric
(mention)
←
Middle High German
eiterec
(mention)
←
Middle High German
eitrec
(mention)
←
Old High German
eitarīg
(inherited)
←
Old High German
eittarīg
(mention)
←
Dutch
etterig
(cognate)
→
English
attery
(cognate)