Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
tothe
←
Old English
tōþ
(inherited)
→
English
tooth
(inherited)
→
English
axle tooth
(derived)
→
Middle English
tuthe
(mention)
→
Middle English
toþeles
(affix)
→
Middle English
toþen
(affix)
→
Scots
tuith
(inherited)