A needle in a haystack
The 11 letters of "itvbarnoeso" can be anagrammed to make the word "observation".
There is no one-word anagram for the letters, but several two- and three-word anagrams. (see link)
Coralic can be anagrammed to spell "caloric".
An anagrind is part of a cryptic crossword clue which indicates that the letters of another word or phrase are hidden in another, and need to be anagrammed.
There is no "famous golfer" to be anagrammed from these letters. One or more letters is not correct.For example: Tiger Woods could be spelled with an I and O instead of a second G (dowiostgre).
Christopher Columbus wrote many letters describing his voyages to the New World.
Amerigo Vespucci
polyhedron
There are 9 letters in the word something.
Damp, dark, dead, deluxe, dense, devout, dim, drab, and dusty are describing words. They begin with the letter d.
"Salesperson" can be constructed with those letters.
Often the letters CT are used when describing the carat weight of a gem-stone.