Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Armenian
երգ
←
Hittite
(mention)
←
Proto-Indo-European
*h₁erkʷ-o-
(mention)
←
Sanskrit
अर्क
(mention)
←
Sanskrit
ऋच
(mention)
←
Sanskrit
अर्चति
(mention)
←
Old Irish
erc
(mention)
←
Tocharian B
yarke
(mention)
←
Tocharian A
yärk
(mention)
→
Armenian
երգ
(inherited)
→
Armenian
երգել
(mention)
→
Sanskrit
ऋच्
(cognate)
→
Old Armenian
երգահան
(compound)
→
Old Armenian
երգիոն
(mention)
→
Old Armenian
երգեմ
(mention)