A dataset containing a data.frame of irregular noun singular and
plural forms from Arizona Department of Education (https://cms.azed.gov)
and augmented with selected common nouns from Wikipedia's "English Plurals"
(https://en.wikipedia.org/wiki/English_plurals).
data(pos_df_irregular_nouns)A data frame with 124 rows and 2 variables https://cms.azed.gov/home/GetDocumentFile?id=54de1d89aadebe14a8707103 https://en.wikipedia.org/wiki/English_plurals
The Wikipedia data is Creative Commons. See https://creativecommons.org/licenses/by-sa/3.0/ for License information.
singular. The singular form of the noun
plural. The plural form of the noun