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Background and Aim: As word recognition score test is one of the most important tests in audiologic test battery and there is no study on reliability and validity of existing monosyllabic word lists, we decided to investigate this in people with noise induced hearing loss. Methods: In this non-randomized descriptive-analytic study, 30 adults with noise induced high frequency hearing loss with the age of 18 to 46 years were evaluated. Construct validity was evaluated by comparing Mosleh lists with list NU-6 and reliability was achieved by test-retest (-two-week interval). Results: The mean (SD) score of word recognition was 94.01 (3.95) percent for list 2, 90.40 (4.90) percent for list 4, 89.08 (4.43) percent for list 5, and 94.10 (4.11) percent for list 9. A reliability of 94% was achieved in all four lists. Regression analysis revealed that word recognition score (WRS) had decreased in proportion to pure tone average. Conclusion: Four lists have good construct validity. All word lists are phonetically reliable too.