Scent is a synonym of smell. The past tense of send is sent.
Scent and smell are synonyms.
You can spell sent as cent (a penny), scent (a smell) or sent (to move along).
Scent
There is no anagram. The letters spell "or mere" where mere may be an adjective implying one is humble.
Those letters spell natural.
synonym
Here are some possible words: dwell knell quell shell smell spell swell
The letters in "these letters" can spell the phrase "ether settles." The letters can spell shorter words such as trestles, sheerest, shelters, and treeless.
Those letters will spell strum.
Those letters will spell exciting.
Those letters will spell stigma.
Those letters spell arrest.