Answer:
A dictionary, by definition is a book or electronic resource that lists the words of a language, typically in alphabetical order and states their meaning and often provides information about pronunciation, roots, origin and usage. On the other hand a thesaurus is a book that lists words in groups of synonyms and related concepts. A dictionary is often used to find how to spell a word or what the definition of the word is, a thesaurus is used to find synonym and antonyms.
(I don't know if its 50 words or not, but I hope it helps!)
Ma is a mother because the wor Ma means mom
He read his textbooks carefully and made concept maps to help him remember the details. The dates were giving him trouble, though, so he tried to memorize them by reading them aloud and then saying them without looking in the book. He also made a time line and flashcards to help him remember important facts.
There were 2,603 death row inmates in the United States.
Three hundred twenty-five women have since served as U.S. Representatives.