Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
díreach
←
Latin
dīrectus
(derived)
←
Old Irish
díriuch
(inherited)
→
Irish
fíor
(link)
→
Irish
dírigh
(affix)
→
Irish
díreachas
(affix)
→
Manx
jeeragh
(cognate)