Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
nech
←
Proto-Celtic
*nekʷos
(inherited)
←
Welsh
neb
(cognate)
←
Old Irish
nach
(mention)
→
Welsh
neb
(cognate)
→
Irish
neach
(inherited)
→
Scottish Gaelic
neach
(inherited)
→
Old Irish
nach
(mention)