Antiphonaries is a 13 letter English word. It's valid Words with friends word worth 20 points.
You can make 2252 anagrams from letters in antiphonaries (aaehiinnoprst).
1425-75; late Middle English Medieval Latin antiphōnārium; learned borrowing replacing earlier versions, which had undergone changes: Middle English anfenere, antefenar, antiphoner(e), Old En
He is said to dwell mainly upon the proper manner of performing the antiphonary and the graduale.
The antiphonary contained the antiphons or anthems, sung at the canonical hours, and certain other minor parts of the service.
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