Unscramble Rctfn

What is the meaning of word rctfn unscrambled?

What 5 letter words can be made from letters R C T F N:

Make more words by adding or removing letters

How many 4 letter words can you make from letters R C T F N?

1. CFTR - Definition of CFTR

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling ctfn
2) Removing the letter C and unscrambling rtfn
3) Removing the letter T and unscrambling rcfn
4) Removing the letter F and unscrambling rctn
5) Removing the letter N and unscrambling rctf

More anagrams containing the letters R C T F N
rctnf rfcnt ftnrc nrctf