LOGOPHOBIA
Some definitions
1. fear of words; hence, hellenologophobia = fear of Greek words or difficult-sounding terms (from a compilation of phobias; also see OED)
2. fear of language itself (Bruce L. Edwards, http://ernie.bgsu.edu/~edwards/Augustine.html) (W. H. Mittins)
3. fear of the Word (in the Christian sense) (Bruce Edwards)
4. fear of the spoken word (because it is slippery and prone to err) (Foucault)
5. fear of abstractions (Peter Farb)
6. fear of truth, order, or any transcendent reality (among positivists and some postmodernists) (Michael Federici)
7. fear of logos, i.e., the fear of reason and reasonableness (Kissel)
8. fear of giving out one's name (because it may be used in spells) (H. R. Huse)