Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
-had
←
Old English
hād
(cognate)
←
German
-heit
(cognate)
←
Proto-Germanic
*haiduz
(inherited)
←
Old High German
-heit
(cognate)
←
Dutch
-heid
(cognate)
←
Old Saxon
-hēd
(cognate)