Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
mentrestant
←
Catalan
mentre
(compound)
←
Catalan
estant
(compound)
←
Catalan
mentre
(compound)
←
Catalan
tant
(compound)
←
Spanish
mientras tanto
(cognate)