Synonyms of the word 
UNCOMMONNESS → EXTRAORDINARINESS
uncommonness
- n. The state or quality of being uncommon.
extraordinariness
- n. The property or state of being extraordinary.
If you are interested in words, visit the following sites :
- wiktionary.org/uncommonness For complete definition of a word
- 1word.ws/uncommonness to play with words, suffixs, prefixs, etc.