Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
earroo
←
Irish
áireamh
(cognate)
←
Scottish Gaelic
àireamh
(cognate)
←
Old Irish
áirem
(inherited)
→
Scottish Gaelic
àireamh
(cognate)
→
Manx
bun-earroo
(prefix)
→
Manx
bun-earrooagh
(affix)
→
Manx
so-earrooagh
(affix)
→
Manx
ard-earrooagh
(affix)
→
Manx
ard-earroo
(prefix)
→
Manx
co-earrooder
(confix)
→
Manx
co-earroo
(prefix)
→
Manx
neuearrooagh
(affix)