Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Armenian
ութ
←
Ancient Greek
ὀπτώ
(cognate)
←
Proto-Armenian
(inherited)
←
Proto-Indo-European
*oḱtṓw
(inherited)
←
Proto-Indo-European
(mention)
←
Old Armenian
եւթն
(mention)
→
Armenian
ութ
(mention)
→
Old Armenian
ութերորդ
(suffix)
→
Old Armenian
ութեւտասն
(compound)
→
Old Armenian
ութուտասն
(compound)
→
Old Armenian
ութհարիւր
(compound)
→
Old Armenian
ութեքին
(suffix)
→
Old Armenian
ութեքեան
(suffix)
→
Old Armenian
ութիցս
(suffix)