What's the adjective for preventability? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs prevent and prevene which may be used as adjectives within certain contexts.
“If a preventative vaccine can lower the rate of viral transmission, this will have a significant effect on mitigating the epidemic.”
“The code establishes cooperative mechanisms to detect security threats and take preventative measures to protect ships and ports involved in international trade.”
“In most cases, it is not possible to link a prevented accident with a specific source of learning, if in fact, it is even possible to identify most situations where an accident has been averted.”