Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Armenian
եօթն
←
Proto-Indo-European
*septḿ̥
(inherited)
←
Old Armenian
եաւթն
(mention)
→
Ancient Greek
ἑπτά
(cognate)
→
Armenian
յոթ
(inherited)
→
Old Armenian
եօթնեւտասն
(compound)
→
Old Armenian
եօթնուտասն
(compound)
→
Old Armenian
եօթնհարիւր
(compound)
→
Old Armenian
եօթներորդ
(suffix)
→
Old Armenian
եօթանեքին
(suffix)
→
Old Armenian
եօթանեքեան
(suffix)
→
Old Armenian
եօթնեկին
(suffix)
→
Old Armenian
եօթնեկի
(suffix)
→
Old Armenian
եօթներեակ
(suffix)
→
Old Armenian
եօթնիցս
(suffix)