[ kee-stoh-ner ]
/ ˈkiˌstoʊ nər /
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a native or inhabitant of Pennsylvania (used as a nickname).
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Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
Words nearby Keystoner
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022