Books Ngram Viewer
Share
Download raw data
Share
code
Embed chart
Facebook
X
Embed Chart
<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=acid+rain,deforestation,endangered+species,ozone&year_start=1945&year_end=2019&corpus=en-2019&smoothing=0" width=900 height=500 marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling=no></iframe>
content_copy
Copy
Part-of-speech tags
cook_VERB, _DET_ President _PROPN_
Wildcards
King of *, best *_NOUN
Inflections
shook_INF drive_VERB_INF
Arithmetic compositions
(color /(color + colour))
Corpus selection
I want:eng_2019, I want:eng_2009
Close
View All options
1945
-
2019
arrow_drop_down
Choose years
to
Cancel
Apply
English (2019)
arrow_drop_down
Choose corpus
check
English
check
American English
check
British English
check
Chinese
check
English Fiction
check
French
check
German
check
Hebrew
check
Italian
check
Russian
check
Spanish
check
English
2019
Case-Insensitive
Smoothing of 0
arrow_drop_down
Choose Smoothing
check
0
check
1
check
2
check
3
check
4
check
5
check
6
check
7
check
8
check
9
check
10
check
20
check
30
check
40
check
50
Search in Google Books
acid rain
chevron_right
1945 - 1981
1982 - 1983
1984
1985 - 2005
2006 - 2019
English
deforestation
chevron_right
1945 - 1980
1981 - 1994
1995 - 1997
1998 - 2014
2015 - 2019
English
endangered species
chevron_right
1945 - 1975
1976 - 1995
1996 - 1998
1999 - 2007
2008 - 2019
English
ozone
chevron_right
1945 - 1963
1964 - 1989
1990 - 1992
1993 - 2007
2008 - 2019
English