Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Hittite
𒌑𒂖𒆪
←
Proto-Indo-European
*wélḱ-u-
(inherited)
←
Sanskrit
वल्श
(cognate)
→
English
willow
(cognate)