quotient
Trig
There are no English words you can make using only those letters.
Breeder is a 7 letter words using only those letters
You can only spell using letters!
Using only the first letters of a word to form a new word or phrase is called an acronym.
snowday
sultana
Just about anything. Math can describe things, but it's not the only way to describe things.
There is only one word that can be formed using all 7 letters provided. The word that is formed is "saltbox". There are many other words that can be formed using those letters that are 6 letters or less.
Using the letters abcdefg you can spell a few 5 letter words. Badge, caged and faced are words spelled using the letters abcdefg.
Installs - however this is eight letters long
jetsam