zero couponEnglishMerriam-Webster Dictionaryid='sense-1-3' class='sense has-num-only'>3 to fail to differentiate (a thing) from something similar or related //a lot of people confuse popular fame with enduring achievementSynonyms conflate, confound, mistake, mix (up)Related Words lump (together)misapply, miscall, misidentify, misnameAntonyms difference,