Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
immundicity
←
English
immundities
(cognate)
←
French
immondicité
(cognate)
←
Latin
immunditia
(cognate)
←
Portuguese
imundície
(cognate)