Try to solve this riddle:?

[Lizz]

I just wanna know how many people know this one. I think its an awesome riddle. Here it goes:

What 5 letter word becomes shorter if you add two letters to it?

 

[sunshynesweety]

Short...did i get it right [ =

 

[I ASK QUESTIONS DUH!!!]

short...i already knew tht but lots of ppl already answered

 

[Neil]

short when you add e and r

 

[answerwiz101]

OMG

short + er = shorter

too too simple