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 | 974 | 975 | 976 | 977 | 978 | 979 | 980 | 981 | 982 | 983 | 984 | 985 | 986 | 987 | 988 | 989 | 990 | 991 | 992 | 993 | 994 | 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: