Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
argane
←
Irish
argóint
(cognate)
←
Scottish Gaelic
argainn
(cognate)
←
Latin
argūmentum
(derived)
←
Middle Irish
[[argamaint]], [[argamint]]
(inherited)
←
Old Irish
[[argumeint]], [[argumint]]
(inherited)
→
Irish
argóint
(cognate)
→
Manx
so-arganeagh
(affix)
→
Manx
neuarganeagh
(affix)