Those letters spell thought.
The letters 'tthhoug' unscramble to spell one word.They spell the seven lettered word thought.
There is no anagram. One H was left out, which would then spell hypothesis.
The unscrambled word is Nitrogen.
Communities.
There is no unscrambled word using all of those letters, you can make several 9-letter words though:laetrilesretalliestraillesstrellises
Pepsin.
motorcade
quadrivium
MUSLIN
lathe
octet
Erosion.