What five-letter word becomes shorter when you add two letters to it?

Common Wrong Answers
“Small”
The word 'small' does not change or become 'smaller' with the addition of two letters, and it doesn't relate to the concept of being 'shorter'.
“Quick”
The word 'quick' does not have any transformation that relates to becoming shorter when adding letters; it also does not have a direct connection to the riddle's theme.
“Brief”
The word 'brief' means something similar to 'short' but does not transform in a way that reflects the riddle's instruction of becoming shorter with additional letters.
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