The 8-letter word that ends with double letters is "bookkeeper." In this word, the letter "e" is repeated twice at the end. The term refers to someone who maintains financial records or accounts for a business or organization. The repetition of the letter "e" in this word is what makes it unique in having double letters at the end.
balloon
Tarantella is a 10 letter word. It begins with the letter T and ends with the letter A.
Successfully is a 12 letter word with three set of double letters. Stubbornness is another 12 letter word.
Banjo
Wonderful is a nine letter word. It begins with the letter w and ends with l.
flee
balloon
rebuff, access, voodoo
The word "bookkeeper" fits this description. It ends with a double "r" and also has two different double letters in it, which are "oo" and "ee."
Ciao is a word with those letters.
Tarantella is a 10 letter word. It begins with the letter T and ends with the letter A.
Headache starts and ends with the letters he. Another word is heartache.
Projectile is a 10 letter word. It begins with the letter p and ends with the letters ectile.
flee
Six letter words that end with the letters ute:astutediluteimputeminuterefutereputesalute
Successfully is a 12 letter word with three set of double letters. Stubbornness is another 12 letter word.
Detour, devour.