Hubris.
But if you're spelling it correctly (rubbish) there is no other single English word I know of that can be spelled with those letters.
The letters TMPRSGNEII spell the word "springtime" and other phrases such as "permit sign."
The letters spell the word audience. It is an 8 letter word.
The letters spell the word geometrical.
The letters spell the word "freelance."
The letters spell the word casino.
These letters can be rearranged to spell the word gnawed. There are no other anagrams for these letters.
These letters can be rearranged to spell the word basket. There are no other anagrams for these letters.
These letters can be rearranged to spell the word crackers. There are no other anagrams for these letters.
Those letters will spell the word vinegar.
These letters unscramble to spell the word herbal.
The letters can spell the word publications (or No, a publicist!).
The letters APTRUSIS spell the word "upstairs."