There is no plural form...... it really is the plural form for day, because it means every day.
The plural form of day is days.
daily
daily....
Days = Días
That is the correct spelling of the word "sky" (plural skies).
That is the correct spelling of the word "ceramic" (as in pottery).
The correct spelling is "address". When you are talking about more than one it's "addresses".
The correct spelling is "hors d'œuvre" -- this is the French word for "appetizer."
That is the correct spelling of the plural noun "elements."
That is the correct spelling of the word "sky" (plural skies).
That is the correct spelling of the plural word "baptisms".
The plural of the word "subject" is "subjects".
That is the correct spelling of the word "curricula" (plural of curriculum).
The correct spelling is shofar. The plural is shofarot (or shofaros according to the traditional Ashkenazi spelling).
"Poppie" is the correct spelling. "Poopy" is a different word with a different meaning.
That is the correct spelling of the word "ceramic" (as in pottery).
The correct spelling is "address". When you are talking about more than one it's "addresses".
That is the correct spelling of the plural noun "days."
That is the correct spelling of the (plural) word "fangs" (teeth).
That is the correct spelling of the plural word "lagoons" (ponds).
The correct spelling of the word (plural of discrepancy) is "discrepancies".