| 1-13 of 13Flashcard sets with a 'arduous' term meaning 'very difficult' |
| # | Title | Terms | Date |
| 1 | SSAT Wordlist 1by wheelersutton3352 | 25 terms | September 26, 2009 |
| 2 | SSAT Vocabulary 1,2,3, and 4by legleg123 | 98 terms | October 17, 2008 |
| 3 | English Week 2by JSadagursky | 20 terms | September 19, 2008 |
| 4 | Spelling for lesson 13by laurentrushin | 15 terms | February 7, 2007 |
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| 5 | ww seventh lesson 13by dogkiller64 | 15 terms | January 28, 2009 |
| 6 | Vocab 2by andrew82 | 24 terms | October 22, 2008 |
| 7 | Yacovacci Wordsby Significa | 20 terms | September 12, 2008 |
| 8 | vocabulary 3by rustydogluver5 | 24 terms | September 24, 2009 |
| 9 | Scarlet Letter Set 1by swarrowb | 20 terms | September 30, 2009 |
| 10 | SSAT 1 and 2by wsutton3352 | 50 terms | September 29, 2008 |
| 11 | lesson 13by Pomai | 7 terms | April 11, 2008 |
| 12 | grade 7 lessson 13by sally205 | 15 terms | March 13, 2007 |
| 13 | Spelling 2-1-07by laurentrushin | 2 terms | February 1, 2007 |