Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
saighdiúir
←
Irish
saighead
(mention)
←
Irish
saighdeoir
(doublet)
←
Latin
sagitta
(derived)
←
Middle Irish
saigteóir
(inherited)
←
Old Irish
saiget
(mention)
→
Irish
saighdeoir
(doublet)
→
Irish
saighdiúrtha
(affix)
→
Scottish Gaelic
saighdear
(cognate)
→
Scottish Gaelic
saighdearach
(cognate)