As nouns the difference between inheritability and descendibility
is that inheritability is heritability while descendibility is (legal) the characteristic of being descendible; inheritability by an heir.
inheritability
English
Noun
heritability
Synonyms
* heritability (much more common )
descendibility
English
Noun
(descendibilities)
(legal) The characteristic of being descendible; inheritability by an heir.
Alternative forms
*descendability