Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
comhla
←
Old Irish
comla
(inherited)
→
Irish
aonchomhlach
(affix)
→
Irish
comhlach
(affix)
→
Irish
aerchomhla
(affix)
→
Irish
déchomhlach
(affix)
→
Scottish Gaelic
còmhla
(cognate)