Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
traveller
←
English
travel
(suffix)
←
English
er
(suffix)
←
Middle English
traveler
(inherited)
←
Middle English
travelour
(mention)
←
Middle English
travailere
(mention)
←
Middle English
travailour
(mention)
←
Old French
travailour
(mention)
←
Old French
travailleor
(cognate)
←
Old French
travelleeur
(mention)
←
Old French
travelier
(mention)
→
English
Traveller
(mention)
→
English
travelleress
(suffix)