Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1950 - 1969 1970 - 1980 1981 - 1982 1983 - 1996 1997 - 2000 communicationally English
1950 - 1973 1974 - 1994 1995 - 1996 1997 - 1999 2000 communicatively English

Run your own experiment! Raw data is available for download here.
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