vocabularian
One who knows and uses words that are beyond the comprehension of normal people
When he used the word 'simulacrum', everyone knew he was a true vocabularian.
vocabularianism
The practice of knowing and using words that are beyond the comprehension of normal people.
Vocabularianism is not just a way of life, it's a vindictive embracement of an aspect of substantiality.
vocabularians
A person who make up new words
The people on "The Urban Dictionary" are vocabularians