underpinnings
/ (ˈʌndəˌpɪnɪŋz) /
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pl n
any supporting structure or system
QUIZ
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Which of the following nouns has an irregular plural form?
Words nearby underpinnings
underpass, underpay, underperform, underpin, underpinning, underpinnings, underpitch vault, underplant, underplay, underplot, underpopulated
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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