Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
erfreuen
←
German
er
(prefix)
←
German
freuen
(prefix)
→
German
erfreulich
(suffix)
→
German
erfreuend
(mention)
→
Luxembourgish
erfreeën
(cognate)