by eliminating uncommon words -
How to dumb down?
Their prerogative to choose some words over others. I tend to be concise.
Not in the common list of first 1000 words. Teachers will use sites like this to make sure they aren't introducing too many new terms all at once. A struggling reader will sound out one or two words a paragraph but they will give up if they need to do it for most of the words.
Are these the list of 1000 common words?