"It's more important for me to know that a word exists."

I can't tell you how much, because the words don't exist.

If the word exists in the dictionary it is taken to be the answer.

The word did not exist to describe what had just happened to him.

The word also exists in Spanish, with the same meaning.

The word has existed in the French language since at least the 12th century.

In my dreams such words did not exist for children.

These words did not exist in Spanish prior to the 15th century.

He wanted to say something, but words did not exist for what she'd done to him.

Although at such a time this sentence was obviously not used, the individual words already existed.