How do you spell releasability?

"Releasability" is not a standard word in the English language. It's likely a made-up term, or perhaps a technical term specific to a particular field.

If you're looking for a word similar in meaning, you could use:

* Releasableness: This word suggests the quality or state of being releasable.

* Releasability: This word could be used as a noun, referring to the act or process of making something releasable.

It's important to provide more context so I can understand the intended meaning and suggest the best word to use.