Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
vollkommen
→
German
Vollkommenheit
(suffix)
→
German
unvollkommen
(prefix)
→
German
vervollkommnen
(affix)
→
Middle English
fulcomen
(cognate)
→
Swedish
fullkomlig
(mention)