Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*milidauw
→
English
mildew
(inherited)
→
German
Mehltau
(inherited)
→
Luxembourgish
Mielda
(inherited)