fear of hearing a certain word
<psychology> Abnormal dread of certain words or names because of their supposed significance. ... Synonym: nomatophobia. ... Origin: G. Onoma, name, + phobos, fear ... (05 Mar 2000) ... 
(on″ә-mat″ә-fo´be-ә) irrational fear of hearing a particular word or name.
Type: Term Pronunciation: on′ō-mat′ō-fō′bē-ă Definitions: 1. Abnormal dread of certain words or names because of their supposed significance.
Onomatophobia is the fear of names.
onomatophobia A morbid dread of some word or an intense mental anguish because one can not recall a word or to name something.nomatophobia, onomatophobia An excessive fear of names.onomatophobia, nomatophobia An irrational fear of a certain name or hearing a certain word or words because they may have special significance.