Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
aro
←
English
hoop
(link)
←
English
rim
(link)
←
English
frame
(link)
←
English
eyeglass
(link)
←
English
juggling
(link)
←
English
ring
(link)
←
English
arum
(link)
←
Spanish
aro
(cognate)
←
Portuguese
arão
(alter)
←
Portuguese
arum
(alter)
←
Portuguese
árum
(alter)
←
Portuguese
jarro
(alter)
←
Portuguese
jaro
(alter)
←
Old Portuguese
aro
(inherited)