Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
segeln
→
English
sail
(cognate)
→
German
Segelboot
(compound)
→
German
Segler
(affix)
→
Luxembourgish
segelen
(cognate)