Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Armenian
թան
←
Armenian
թացան
(cognate)
←
Armenian
թաց
(mention)
←
Proto-Indo-European
*teh₂-
(inherited)
←
Old Armenian
թանամ
(mention)
→
Middle Armenian
թան
(inherited)
→
Armenian
թան
(inherited)
→
Old Armenian
թանչ
(mention)