Assertion: latin alphabet | /r/CapableOf | add two letters
Facets:
value: at the end of the alphabet
type: LOCATION
Source sentences:
text: The Latin alphabet originally had 21 letters in the first century BCE, but then, as the Romans became Hellenized, they added two letters at the end of the alphabet, a Y for the Greek upsilon, and a Z for the Greek zeta, which then had no equivalent in the Latin language.