Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Spanish
alérgeno
←
English
allergen
(cognate)
←
Spanish
alergia
(suffix)
←
Spanish
geno
(suffix)
→
Spanish
alergénico
(suffix)