تحریف

taḥrīf[inf. n. ii of حرف 'to alter in form,' etc.], s.f. Altering (words from their proper meanings); alteration; inversion, transposition (of a word or letter); forming an anagram; an anagram; mistranscription clerical error; deliberate alteration of a word so as t, change its meaning, falsification;—cutting the nib of a pen obliquely.