Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
-gestr-
←
English
-gest-
(affix)
←
English
-estr-
(affix)
→
English
norgestrel
(affix)
→
English
melengestrol
(affix)
→
English
megestrol
(affix)
→
English
norgestrienone
(affix)
→
English
quingestrone
(affix)
→
English
norelgestromin
(affix)