US Popularity Grouped by Loose Sound


KEY  
raba [Ruby, Reba, Robbie, etc] (f)
raba [Robbie, Robby, Robie, etc] (m)
1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 0.900% 0.720% 0.540% 0.360% 0.180% 1880 2022