Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
offanōn
→
Old English
openian
(cognate)
→
German
öffnen
(inherited)
→
Old High German
offanunga
(suffix)
→
Yiddish
עפֿענען
(inherited)