Controversialness is a synonym of controversiality.
As nouns the difference between controversiality and controversialness
is that controversiality is the quality or state of being controversial while controversialness is the state or quality of being controversial.
controversiality
English
Noun
(en-noun)
The quality or state of being controversial.
Synonyms
* controversialness (less common)
controversialness
English
Noun
(-)
The state or quality of being controversial.
Synonyms
* controversiality (more common )