Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Yiddish
לײַכטער
←
German
Leuchter
(cognate)
←
Yiddish
לײַכטן
(affix)
←
Yiddish
־ער
(affix)