pearl
trifle
Bargain.
zero
periodot? pearl? pearls are sometimes lumped in with gems in a valuable-treasure type of way, even though they aren't gemstones you can cut.
Trivial.
Omega is the 24th and last letter of the Greek alphabet. In the Greek numeric system, it has a value of 800. The word literally means "great O" as opposed to Omicron, which means "little O". Omega is often used to denote the last, the end, or the ultimate limit of a set, in contrast to Alpha, the first letter of the Greek alphabet. In the New Testament book of Revelation, God is declared to be the "alpha and omega, the beginning and the end, the first and the last".
Pearl.
An algebraic letter. e/g 5a 'a' is a non numeric constant. Remember in algebraic , when a letter is given , it means that the value of the letter is a constant, but the value is unknown .
This is not a "D" word but the best word in the whole of scrabble is "Mastery".
Variable.
What it means to you depends on what you think of the value of Indian ancestry. If your great grandparent came from India and you see value in that, then it's important to you, otherwise, not.
Worthy means having adequate or great merit, character, or value.