What are the opposite words for un-commonnesses?

The antonyms for the word "un-commonnesses" are commonness, ordinariness, and regularity. Commonness refers to something that is frequent or widely found, while ordinariness describes something that is typical or unremarkable. Regularity means that something occurs on a predictable basis or conforms to a standard pattern. These antonyms are useful when describing things that are opposite in nature to the uncommonness of a particular object or idea. Using antonyms can help to provide a clearer picture of the concept being discussed by highlighting what it isn't as well as what it is.

Antonym of the day

most doordie
few, little.