Aptrusis.
The letters APTRUSIS spell the word "upstairs."
Upstairs.
Upstairs.
Those letters spell natural.
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 dollar.
The letters spell 'broccoli'.
Those letters spell psycho.
Those letters will spell carnivore.
Those letters spell delicate.
Those letters will spell artichoke.
Those letters will spell democratic.