When Scrabble players talk about a "dictionary" they really just mean a list of words that are acceptable. They're not actually learning anything other than "_

When Scrabble players talk about a "dictionary" they really just mean a list of words that are acceptable. They're not actually learning anything other than "_______ is an acceptable string." So even if just "pensar" is in what you and I would call a "dictionary", the Scrabble-acceptable word list will contain every form of it.