rareness

/ˈrɛrnəs/
noun
  1. The quality or state of being uncommon, infrequent, or not often found.
    • The rareness of the disease makes it difficult for doctors to diagnose.
    • The rareness of such a clear night sky in the city surprised the campers.
    • Collectors value the coin for its rareness, as only a few were ever minted.
Antonyms
What does "rareness" mean? | whatsthatwordmean | whatsthatwordmean