Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
oþ
→
Old English
oþþæt
(compound)
→
Old English
oþ-
(mention)
→
Old English
uþ-
(mention)
→
Old English
oþstandan
(prefix)
→
Old English
migoþa
(suffix)
→
Old English
oþþeodan
(prefix)
→
Old English
oþcwelan
(prefix)
→
Old English
oþteon
(prefix)
→
Old English
oþcyrran
(prefix)
→
Old English
oþgripan
(prefix)
→
Old English
huntoþ
(suffix)
→
Old English
fiscoþ
(suffix)
→
Old English
innoþ
(suffix)
→
Middle English
of
(derived)