s, 0, 1, 2, 9 are letters that make '1920s'
19, 20, 92 are words within '1920s'
1 possible definitions for '1920s'
Under this definition, 1920s is a noun and has the following properties:
twenties has the same meaning as 1920s
'1920s' can be a type of decade, decennary, decennium.