By changing one letter at a time to form different English words, and leaving all other letters in their original positions, convert the word FLOSS into the word BRUSH in seven (or fewer) steps. Good luck!

F L O S S
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B R U S H

Here is a six-step SOLUTION.

A SIX-STEP SOLUTION:

FLOSS > GLOSS > GROSS > GRASS > BRASS > BRASH > BRUSH

 

 

Did you come up with a different series of words? Feel free to post your solution in the comments. Thanks!