Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
neb
←
Proto-Celtic
*nekʷos
(inherited)
←
Proto-Indo-European
*ne
(derived)
←
Proto-Indo-European
*kʷos
(derived)
←
Latvian
nekas
(cognate)
←
Old Irish
nech
(cognate)
→
Old Irish
nach
(cognate)
→
Old Irish
nech
(cognate)