Unscramble Optrefrac

What is the meaning of word optrefrac unscrambled?

What 9 letter words can be made from letters O P T R E F R A C:

1. prefactor - Definition of prefactor

Make more words by adding or removing letters

How many 8 letter words can you make from letters O P T R E F R A C?

1. forepart - Definition of forepart

2. refactor - Definition of refactor

Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling ptrefrac
2) Removing the letter P and unscrambling otrefrac
3) Removing the letter T and unscrambling oprefrac
4) Removing the letter R and unscrambling optefrac
5) Removing the letter E and unscrambling optrfrac
6) Removing the letter F and unscrambling optrerac
7) Removing the letter R and unscrambling optrefac
8) Removing the letter A and unscrambling optrefrc
9) Removing the letter C and unscrambling optrefra

More anagrams containing the letters O P T R E F R A C
optrefrca optreracf ptaorcfre aocpftrer