This research aimed at investigating the correlation between linguistic intelligence, and having Obsessivecompulsive disorder and the differences in linguistic intelligence due to differences in gender, as well as knowing the effect of interaction between gender and linguistic intelligence on having Obsessive-compulsive disorder. The sample consisted of (200) individuals; (100) of them having Obsessive-compulsive disorder, the other (100) individuals were normal people. Age for the two groups ranged between (20-39) years and they were selected by the purposive sampling method. The researcher used the OCD Scale and the Linguistic Intelligence Scale. The collected data were analyzed using the following tools: Point-Biserial Correlation coefficient, T-test, two-way ANOVA test. The results of this research were; there were correlations between linguistic intelligence and having an Obsessive-compulsive disorder, there are no statistically significant differences between males and females in linguistic intelligence, and there is statistically significant interaction between gender and linguistic intelligence which has effect on Obsessive-compulsive disorder.