Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
déanamh
←
Proto-Indo-European
*ǵenh₁-
(root)
←
Old Irish
dénum
(inherited)
→
Irish
athdhéanamh
(affix)
→
Irish
leathdhéanamh
(affix)
→
Irish
lámhdhéanamh
(affix)
→
Irish
imdhéanamh
(affix)
→
Irish
mídhéanamh
(affix)
→
Irish
réamhdhéanamh
(affix)
→
Irish
comhdhéanamh
(affix)
→
Manx
jannoo
(cognate)