What is the longest word that can be made using the letters only on one row of the keyboard?

hi tombailey
I think I gave you best answer by mistake - the answer is typewriter if you only use letters once. I should have said.
Best wishes
:)

@sogdianrock Thanks. TYPEWRITER is definitely the best!

hi tombailey
haha I cannot type! I meant to say that was best answer - yours were good though.
Best wishes
:)

@sogdianrock if you only use letters once, how does typewriter work?

hi taintedprincess
good question. As you can see I am without a leg to stand on. I am completely lost for werds.
best wishes
:)