Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*kru-
→
English
crystal
(mention)
→
Irish
criostal
(mention)
→
Indonesian
kristal
(mention)
→
Portuguese
cristal
(mention)