Riyajil mostaza (mostaas) Riyajil lix toonal li mostaza. Us ta ch’ina ka’ch’in li iyaj, nim xteram li che’ na’el rik’in. Li Jesus kixjuntaq’eeta li awa’b’ejihom re choxa rik’in riyajil li mostaza (Mat. 13:31). Wi wan eepaab’aal jo’ riyajil mostaza, taaruuq teejal xna’ajeb’ li tzuul, Mat. 17:20.