Google Books Ngram Viewer

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

1800 - 1912 1913 - 1990 1991 - 1993 1994 - 2001 2002 - 2008 costaricien French
1800 - 1913 1914 - 1933 1934 - 1938 1939 - 1995 1996 - 2008 costaricienne French
1800 - 1914 1915 - 1982 1983 - 1984 1985 - 2001 2002 - 2008 costaricain French
1800 - 1908 1909 - 1983 1984 1985 - 2002 2003 - 2008 costaricaine French

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