acouasm      a nonverbal auditory hallucination, such as a ringing or hissing.
anoesis a mental state devoid of cognitive content.
eisegesis an interpretation, especially of Scripture, which reflects the interpreter rather than the text.
surd (phonet.) (of a speech sound) unvoiced; (math obs.) irrational.
ouphe an elf or goblin.
heteroptics hallucinatory vision.
systemoid (pathol.) (of a tumor) having an internal structure resembling that of an organ.
ghost word a word formed through error, as in reading or printing.
Ginnungagap in Scandinavian myth, a mist-filled primordial void.
dauerschlaf psychotherapy by means of prolonged drug-induced sleep.