Untreatability is a synonym of incurability.
As nouns the difference between incurability and untreatability
is that incurability is the quality or state of being incurable—not being able to be cured while untreatability is the state or condition of being untreatable.
incurability
English
Noun
(-)
The quality or state of being incurable—not being able to be cured.
Synonyms
* incurableness
untreatability
English
Noun
(-)
The state or condition of being untreatable.
Synonyms
* incurability
* incurableness
Antonyms
* treatability