The most common and most likely answer to this crossword clue is the 10 letter word VOCABULARY
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More clues leading to the result VOCABULARY
Buddy explains!

The straight part
We know that "list of words" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case list of words = vocabulary.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does VOCABULARY mean?
VOCABULARY noun- A usually alphabetized and explained collection of words e.g. of a particular field, or prepared for a specific purpose, often for learning.
- The collection of words a person knows and uses.
- The stock of words used in a particular field.
- The words of a language collectively.
- A range of artistic or stylistic forms or techniques