This page provides links to other sites that provide information on words themselves:  spelling rules, frequently misspelled words, words that are often confused, homonyms and the like.

Spelling:

Rules and suggestions about spelling: http://grammar.ccc.commnet.edu/grammar/spelling.htm

      Commonly misspelled words:  http://grammar.ccc.commnet.edu/grammar/misspelled_words.htm

        Merriam Webster online dictionary:  http://www.m-w.com/netdict.htm

        Oxford Dictionaries online: http://www.askoxford.com/?view=uk

Quizzes:  Spelling 1:  http://grammar.ccc.commnet.edu/grammar/cgi-shl/quiz20.pl/spelling_quiz1.htm

            Spelling 2:  http://grammar.ccc.commnet.edu/grammar/cgi-shl/quiz20.pl/spelling_quiz2.htm

            Spelling 3:  http://grammar.ccc.commnet.edu/grammar/cgi-shl/quiz20.pl/spelling_quiz3.htm

            Spelling 4:  http://grammar.ccc.commnet.edu/grammar/cgi-shl/quiz20.pl/spelling_quiz4.htm            

    Test 1: http://owl.english.purdue.edu/handouts/interact/g_spelieEX1.html

    Test 2:  http://owl.english.purdue.edu/handouts/interact/g_spelieEX2.html

Words that are easily confused:

Notorious confusables (part 1):  http://grammar.ccc.commnet.edu/grammar/notorious.htm

            (part 2):  http://grammar.ccc.commnet.edu/grammar/notorious2.htm

Homonyms: 

Words that sound alike: http://library.thinkquest.org/J0111282/homonymns.htm

    http://wsuonline.weber.edu/wrh/words.htm    

Quizzes: http://a4esl.org/q/h/mc-ho.html

    Easy: 

    Moderate: 

    Difficult: 

Words that almost sound alike:

http://owl.english.purdue.edu/handouts/grammar/g_spelhomo.html