gastronomy. This is 10 letter.
What about Astronomy?
ROSEMARYS
The 9-letter word that can be formed from the letters t, a, o, n, e, s, m, n, and r is "narrators."
A seven (7) letter word that starts with M and ends with O: memento
The word is petroleum.
Some five letter words with O and M as the second and third letter are:combocometcommacomicdomedhomerhomeymommynomadoomphromanromeorompervomitwomanwomen
mimosa
Those letters will spell the seven letter word boombox.
somnolent - adj. sleepy or drowsy
mimosa
The 9-letter word you're looking for is "something." When you take away the letters "s-o-m-e-t-h-i-n," you are left with the letter "g," which sounds like the word "one."
There is no such word in the English language.
columbine