Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*h₁réh₁
→
Welsh
rhwydd
(mention)
→
Irish
réidh
(mention)
→
Manx
rea
(mention)
→
Latin
rarus
(mention)
→
Latin
rėtis
(derived(la/lt))