Éric Araujo wrote:
> 
> Éric Araujo <merwok@netwok.org> added the comment:
> 
> Adjectives require hyphens but nouns do not.  “thread-safety” should be reverted to “thread safety”.  I haven’t searched for a grammar reference, but you can take Wikipedia as an example: “Thread safety is a computer programming concept applicable in the context of multi-threaded programs. A piece of code is thread-safe if it functions correctly during simultaneous execution by multiple threads.”

Are you sure ?

http://en.wikipedia.org/wiki/English_compound#Types_of_compound_nouns

This appears to be more a question of personal style than a
grammar rule.