Unsuitedness is a synonym of unsuitability.
As nouns the difference between unsuitability and unsuitedness
is that unsuitability is the quality of being unsuitable while unsuitedness is the state or condition of being unsuited.
unsuitability
English
Noun
(unsuitabilities)
The quality of being unsuitable.
unsuitedness
English
Noun
(-)
The state or condition of being unsuited.
Synonyms
* unsuitability
* unsuitableness