-ability

(Latin: suffix; expressing ability, capacity, fitness, or "that which may be easily handled or managed")

Just a few examples out of hundreds of words presented as the noun forms of -able; forming nouns of quality from, or corresponding to, adjectives in -able; the quality in an agent that makes an action possible. The suffix -ible has related meanings.

viability
1. With reference to living things, capable of normal growth and development.
2. Capable of becoming practical and useful.
vitrifiable, vitrifiability; vitrificable
Capable of being converted into glass by heat and fusion.

Flint and alkaline salts are vitrifiable.

voidability
Anything which can be rescinded or voided
vulnerability (s), vulnerabilities (pl)
1. Susceptibility to injury or to attack.
2. Capable of being wounded, hurt, or susceptible to pathogenic agents.
3. The degree to which a population, species, ecosystem, agricultural system, or other biological entity is susceptible to, or unable to cope with, the adverse effects of climate changes.
vulnerability analysis
In information operations, a systematic examination of an information system or product to determine the adequacy of security measures, identify security deficiencies, provide data from which to predict the effectiveness of proposed security measures, and confirm the adequacy of such measures after implementation.
vulnerability scanner
A program that performs the diagnostic phase of a vulnerability analysis, also known as vulnerability assessment.

Vulnerability analysis defines, identifies, and classifies the security holes (vulnerabilities) in a computer, server, network, or communications infrastructure.

In addition, vulnerability analysis can forecast the effectiveness of proposed countermeasures, and evaluate how well they work after they are put into use.

window of vulnerability
A time frame within which defensive measures are reduced, compromised, or lacking.

The term is used with reference to military defenses of strategic assets, and also by analogy in computer software to a software vulnerability which is open to exploitation.