Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
boc
←
Old English
bucca
(derived)
←
Irish
poc
(mention)
←
Irish
boc mór
(link)
←
Irish
boc seó
(link)
←
Irish
poc
(mention)
←
Old Irish
boc
(inherited)
→
English
buckeen
(mention)
→
Irish
dúbhoc
(affix)
→
Manx
bock
(cognate)