Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Mittsommer
←
German
mitt
(prefix)
←
German
Sommer
(prefix)
←
Middle High German
mittesummer
(inherited)
→
English
midsummer
(cognate)
→
Old English
midsumor
(cognate)
→
German
Mittsommerfest
(affix)