Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
guppie
←
English
guppies
(back-formation)
←
English
gay
(blend)
←
English
yuppie
(blend)
←
English
luppie
(link)