There is no eleven letter word that can be made from the letters "Rentrapefil" in English.
Examples of two word combinations that can be made with those letters are:
Shingle is "english" as an anagram.
The anagram of diametric is matricide.
The anagram for countries is neurotics.
The anagram is cobbler (shoemaker, or a type of dessert).
There is no anagram in English using all of the letters in potato.
Shingle
prettiness
There is no common English anagram. A proper noun anagram is the surname Dretzel (German composer).
The anagram sardine hold is Rhode Island
coagulate
grown
There is no common English anagram. Without the extra G, the anagram is "dowsing."