WordNet (r) 3.0 (2006):

psychoneurosis
    n 1: a mental or personality disturbance not attributable to any
         known neurological or organic dysfunction [syn: neurosis,
         neuroticism, psychoneurosis]

Moby Thesaurus II by Grady Ward, 1.0:

31 Moby Thesaurus words for "psychoneurosis":
   accident neurosis, anxiety hysteria, anxiety neurosis,
   association neurosis, battle fatigue, blast neurosis,
   combat fatigue, compensation neurosis, compulsion neurosis,
   conversion hysteria, conversion neurosis, expectation neurosis,
   fixation neurosis, fright neurosis, homosexual neurosis,
   hypochondria, hypochondriasis, hysteria, neurosis, neuroticism,
   obsessional neurosis, occupational neurosis, pathoneurosis, phobia,
   psychasthenia, psychoneurotic disorder, psychopathia martialis,
   regression neurosis, shell shock, situational neurosis,
   war neurosis