Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*rewh₁-
→
English
room
(derived)
→
German
Raum
(derived)
→
Gothic
𐍂𐌿𐌼
(derived)
→
Latin
rus
(mention)
→
Old Irish
róe
(derived)