1)Ikki xil ko’rinishda talaffuz qilinadigan so’zlar. Chunonchi: gah-goh, shah-shoh, mah-moh, ne-na,bo’lur-o’lur, edi-erdi, dag’a-dog’i, yana-yona, barcha-borcha, Alloh-Olloh, yara-yora, kofir-kofar, bilan-bila-ila, uchun-chun, Muso-Musiy, Iso-Isiy, Faredun-Afredun, Iskandar-Skandar, Layli-Laylo, barahmon-barhaman, guliston-gulsiton va hokazo. Shu kabi tashdid-ikki undosh yonma-yon kelgan ikki, yetti, sakkiz, to’qqiz, sirr, durr kabi so’zlar vazn talabi bilan ba’zan iki, yeti, to’qiz, sir, dur shaklida yozilishi ham mumkin.