The Collaborative International Dictionary
Inhability
Inhability \In`ha*bil"i*ty\, n. [Cf. F. inhabilet['e],
inhabilit['e]. See Inability.]
Unsuitableness; unaptness; unfitness; inability. [Obs.]
--Barrow.
Wiktionary
inhability
n. (context obsolete English) unsuitableness; inability