Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Rinnsal
←
German
rinnen
(affix)
←
German
-sal
(affix)
←
Proto-Germanic
*rannislō
(inherited)
←
Icelandic
rennsli
(cognate)