Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Hindi
एक
←
Sauraseni Apabhramsa
एक्क
(inherited)
←
Sauraseni Prakrit
𑀏𑀓𑁆𑀓
(inherited)
←
Sauraseni Prakrit
𑀇𑀓
(mention)
←
Sanskrit
एक
(derived)
→
Hindi
एक
(inherited)