What is another word for twenty one?
Pronunciation: [twˈɛnti wˌɒn] (IPA) 
Twenty one is a numerical value that signifies the sum of two digits, twenty and one. However, in order to avoid repetition and to add variety to language, it's always useful to know synonyms for this number. Some of them include 21, XXI (Roman numeral), twenty-one, eleven plus ten, nine plus twelve, three times seven, and twenty plus one. These synonyms come in handy when expressing numerical values in different situations such as academic papers, financial reports, and casual conversations. Therefore, it's beneficial to have a wide range of synonyms for numbers to communicate effectively and to avoid sounding repetitive.
