Word Usage | Dictionary | Word Stats | Practice Words
Words getting along nicely ....
Word: proof (lookup in dictionary) (lookup stats) Dates: during 1980-1989 Sort By: most recent first (reverse)
Previous | 472 | 473 | 474 | 475 | 476 | 477 | 478 | 479 | 480 | 481 | 482 | 483 | 484 | 485 | 486 | 487 | 488 | 489 | 490 | 491 | 492 | Next
Normalized population density for word "proof" throughout decades:
view detailed statistics »
Word "proof" first appeared in our records from 1873!
See usage in 1873 »
The following words have supported "proof" in appearing on this page. Do you know these words: