"Copyrightable" is the longest word in the English language that can be written without repeating a letter?

Keep practicing — related questions

• "Copyrightable" is the longest word in the English language that can be written without repeating a letter?
• The only 15-letter word that can be spelled without repeating a letter is “uncopyrightable”.
• only fiften letter word that can be spelled without repeating a letter is "UNCOPYRIGHTABLE"....
• "Floccinaucinihilipilification," is the longest word in English that does not contain letter “e”
• Unprosperousness is the longest word in English in which each letter is used at least two times?
• What is the longest word ,which can be written using the letters of only a single row of the typewriter?
• "Unprosperousness" is the 3rd longest word in English in which each letter is used at least two times
• TYPEWRITER, is the longest word that can be made using the letters only one row of the keyboard