Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
bonn
←
Proto-Celtic
*bundos
(inherited)
←
Irish
aerbhonn
(link)
←
Irish
bonn-achar
(link)
←
Irish
bonnaonad
(link)
←
Irish
bonnbheart
(link)
←
Irish
bonnbhrat
(link)
←
Irish
bonnbhualadh
(link)
←
Irish
bonnchló
(link)
←
Irish
bonnleac
(link)
←
Irish
bonnleibhéal
(link)
←
Irish
bonnlíne
(link)
←
Irish
bonnsiúlach
(link)
←
Irish
bonnstoc
(link)
←
Irish
bonnuillinn
(link)
←
Irish
bonn breise
(link)
←
Irish
mórbhonn
(link)
←
Proto-Indo-European
*bʰudʰmḗn
(inherited)
←
Middle Irish
bonn
(inherited)
←
Old Irish
bonn
(inherited)
→
English
bottom
(cognate)
→
Irish
bonneagar
(affix)
→
Irish
mórbhonn
(affix)
→
Irish
bonnaonad
(affix)
→
Irish
aerbhonn
(affix)
→
Manx
boyn
(cognate)