Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
ǣr
→
English
ere
(inherited)
→
English
whilere
(mention)
→
Old English
ærdæg
(prefix)
→
Old English
ærgod
(prefix)
→
Old English
ærest
(mention)
→
Old English
ærlice
(suffix)
→
Old English
ær-
(cognate)
→
Old English
ærgenemned
(prefix)
→
German
eher
(cognate)
→
Middle English
er
(inherited)
→
Old Frisian
er
(cognate)
→
Yola
ear
(inherited)