Word Usage | Dictionary | Word Stats | Practice Words
Words getting along nicely ....
Word: observation (lookup in dictionary) (lookup stats) Dates: during 1990-1999 Sort By: most recent first (reverse)
| 1 | 2 | 3 | 4 | 5 | 6 | Next
Normalized population density for word "observation" throughout decades:
view detailed statistics »
Word "observation" first appeared in our records from 1920!
See usage in 1920 »
The following words have supported "observation" in appearing on this page. Do you know these words: