Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cathair
←
Proto-Celtic
*katrixs
(inherited)
←
Irish
caithreach
(link)
←
Irish
ardchathair
(link)
←
Irish
príomhchathair
(link)
←
Irish
Cathair Alastair
(link)
←
Irish
cathair ardeaglaise
(link)
←
Irish
cathair bhardais
(link)
←
Irish
Cathair Chonstaintín
(link)
←
Irish
Cathair Mheicsiceo
(link)
←
Irish
Cathair Pheadair
(link)
←
Irish
Cathair Thoirmiscthe
(link)
←
Irish
Cathair Aidriain
(link)
←
Irish
Cathair na Mart
(link)
←
Irish
Cathair an Phápa
(link)
←
Irish
cathair ghríobháin
(link)
←
Irish
cathair seileán
(link)
←
Irish
caithreach
(link)
←
Old Irish
cathair
(inherited)
→
Irish
ollchathair
(affix)
→
Irish
príomhchathair
(affix)
→
Irish
ceannchathair
(affix)
→
Irish
caithir
(alter)
→
Irish
ardchathair
(affix)