Pronunciation and Spelling doubts?

http://www.thefreedictionary.com/

Affixes

http://ici.cegep-ste-foy.qc.ca/profs/lgallant/Strategy_Affixes.html

http://www.dynamicliteracy.com/Documents/AffixSample.pdf

http://www.tv411.org/lessons/cfm/vocabulary.cfm?str=vocabulary&num=10&act=1

Acronyms-Abbreviations

http://docs.ksu.edu.sa/PDF/Articles01/Article010639.pdf

http://www.harcourtschool.com/activity/book_buddy/arthur/skill.html