Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
lettyr
←
Irish
litir
(cognate)
←
Latin
littera
(derived)
←
Old Irish
liter
(inherited)
→
Manx
neulettyragh
(affix)
→
Manx
neulettyraght
(affix)
→
Manx
block-lettyr
(compound)
→
Manx
lettyragh
(affix)
→
Manx
lettyraght
(suffix)
→
Manx
anlettyragh
(affix)
→
Manx
aalettyree
(confix)
→
Manx
aalettyragh
(affix)
→
Manx
mee-lettyr
(prefix)
→
Manx
lettyree
(suffix)