Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
làthair
←
Irish
láthair
(cognate)
←
Old Irish
láthar
(inherited)
→
Irish
láthair
(cognate)
→
Scottish Gaelic
tràth làthaireach
(compound)
→
Scottish Gaelic
làthaireach
(affix)
→
Scottish Gaelic
làthaireachd
(suffix)