Mirzakamolova, S.S. 2026. THE CONCEPT OF SINCERITY IN ENGLISH AND UZBEK: A COMPARATIVE-CONTRASTIVE ANALYSIS BASED ON SPEECH ETIQUETTE AND COMMUNICATION CULTURE. Oriental Journal of Philology. 6, 05 (Sep. 2026), 302–312. DOI:https://doi.org/10.37547/supsci-ojp-06-05-32.