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Word: invaluable (lookup in dictionary) (lookup stats)
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Word Time Machine

Normalized population density for word "invaluable" throughout decades:

1870s : 1.6765
1880s : 1.4920
1890s : 1.1608
1900s : 0.9181
1910s : 3.1272
1920s : 1.6991
1930s : 1.2732
1940s : 1.0556
1950s : 0.8227
1960s : 0.8506
1970s : 0.6673
1980s : 0.7548
1990s : 0.8451
2000s : 0.9586
2010s : 1.0141