Words like "sky" and "money" have "ies" as a plural suffix (i.e. "skies" and "monies") but other words like "monkey" and "Emmy" do not ("monkeys" and "Emmys"). Is there a rule dictating the use of "ies"?
It's determined by the letter before the y:
monkey: vowel + y => monkeys sky: consonant + y => skies
Exception: proper nouns like "Emmy" sometimes form the plural by adding "s".
Monies I don't know about, so hopefully someone else can fill in that detail.
Monies is one of those words where an error crept in and and is now accepted as an exception. The plural of money (and there IS a plural in legal and accounting) should be, and is still acceptable as, moneys, and then there isn't an exception.
The general rule - if the Y is preceded by a consonant, then it is replaced by IES. If the Y is preceded by a vowel, add S.
This also works for verbs (I carry - he carries, I play, he plays). Nice and consistent.
protected by tchrist♦ Nov 28 '14 at 16:12
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