(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.

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 (s) (noun), voidabilities (pl)
Anything which can be rescinded or declared legally unbinding.
vulnerability (s) (noun), vulnerabilities (pl)
1. Susceptibility to injury or damage.

In Greek mythology, Achilles' mother tried to make him impossible to be injured, hurt, or wounded by dipping him into the magical waters of the River Styx; however, the heel by which she held him made this vulnerability the cause of his death when an arrow hit him in his heel during a military battle.

Achilles was invulnerable except on his heel where his mother held him when she dipped him into the River Styx.
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2. The degree to which a population, species, ecosystem, agricultural system, or other biological entity is unable to cope with the adverse effects of climate changes.
vulnerability analysis (s) (noun), vulnerability analyses (pl)
In computer operations, a vulnerability analysis is 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 (s) (noun), vulnerability scanners (pl)
A program that performs the diagnostic phase of an analysis, also known as a computer assessment: A vulnerability scanner analysis defines, identifies, and classifies the security holes (vulnerabilities) in a computer, server, network, or communications infrastructure.

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

window of vulnerability (s) (noun); windows of vulnerability (pl)
A time frame within which defensive measures by the armed forces are reduced, compromised, or lacking: The window of vulnerability is used with reference to military defenses of strategic assets, and also by analogy in computer software to a "vulnerability" which is open to exploitation by hackers.