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Word: filtering (lookup in dictionary) (lookup stats)
Dates: during 1930-1939
Sort By: most recent first (reverse)

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Word Time Machine

Normalized population density for word "filtering" throughout decades:

1900s : 0.1146
1910s : 0.4686
1920s : 0.6260
1930s : 0.4743
1940s : 0.9125
1950s : 0.6544
1960s : 1.1533
1970s : 0.9106
1980s : 0.6653
1990s : 1.0237
2000s : 1.6692
2010s : 1.7877