- x̱, in Modern Hebrew Neutralization
- x-qaṭal see qaṭal
- x-questions see wh-questions
- X-ray research Phonetics of Modern Hebrew: Articulatory
- x-yiqṭol see yiqṭol
- Ha-x̱alom ve-šivro (The Dream and its Deciphering, Eliezer Ben-Yehuda) Russia
- x̱aquqot ˒otiyotayix (Engraved are Thine Letters, poem, Regelson) Poetry, Modern Hebrew
- Xinjiang (China), Judeo-Persian manuscripts from China
- XML, used for software tools to study Biblical Hebrew Computational Information Systems: Biblical Hebrew