core + attic (Attic Area): these terms have been either depricated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

suggestedAnswer

Canonical URL: http://schema.org/suggestedAnswer

Thing > Property > suggestedAnswer

An answer (possibly one of several, possibly incorrect) to a Question, e.g. on a Question/Answer site.

Usage: Between 1000 and 10,000 domains
Values expected to be one of these types
Answer
Used on these types
Question
Sub-properties
acceptedAnswer

Schema Version 3.2