| 1-29 of 29Flashcard sets with a 'arduous' term meaning 'hard' |
| # | Title | Terms | Date |
| 1 | GRE High Frequency Wordsby kasparj | 253 terms | March 8, 2007 |
| 2 | 4 D Vocab. Workshop Synonymsby pinkiepiepinkiepie | 67 terms | June 2, 2009 |
| 3 | End of quaterby bbunchaz | 60 terms | February 20, 2009 |
| 4 | SAT PREPby xosummerlove26xo | 85 terms | August 3, 2009 |
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| 5 | English - Lord of the Flies vocabby luvnaruto | 39 terms | September 23, 2009 |
| 6 | sat vocab words 2nd quarterby emoore | 32 terms | December 4, 2008 |
| 7 | AP English Mass Vocab Test Bby chrkuhl28 | 228 terms | February 9, 2009 |
| 8 | GRE common wordsby jd4785 | 114 terms | September 9, 2009 |
| 9 | word_list_4by sachinism | 71 terms | July 7, 2009 |
| 10 | WordList 4by CharlesSoonHongHwang | 73 terms | July 15, 2008 |
| 11 | Freshman English Vocab Unit 4by trackgirl101 | 20 terms | October 23, 2009 |
| 12 | Word Smart 3by thatssorae2333 | 33 terms | September 11, 2009 |
| 13 | vocab 4by marissaminor | 20 terms | October 6, 2008 |
| 14 | Steven Academy Day 6/26by idiotlovesme | 100 terms | June 25, 2008 |
| 15 | english vocabby abbyyyyx27 | 23 terms | June 4, 2008 |
| 16 | voc 3by DuffelBagBoy | 15 terms | October 14, 2008 |
| 17 | Etymology Word List 2by SweetSwimmer013 | 20 terms | February 8, 2008 |
| 18 | This is Hard! I Don't Get It!by aznspryd | 6 terms | July 14, 2009 |
| 19 | vocab unit 4by youngtone132 | 20 terms | October 29, 2009 |
| 20 | History Jack SAT Wordsby Wtidwell | 30 terms | Yesterday |
| 21 | With picturesby ranveli | 253 terms | October 15, 2009 |
| 22 | 어렵다 by 21125Daniel | 159 terms | December 1, 2008 |
| 23 | SAT1by born2runfree44 | 70 terms | June 4, 2009 |
| 24 | voc 3by DuffelBagBoy | 15 terms | October 14, 2008 |
| 25 | chase all synonyms 1-5by alissafitzpatrick | 294 terms | November 10, 2009 |
| 26 | Lesson 4 Synonymsby alissafitzpatrick | 64 terms | November 2, 2009 |
| 27 | GRE/SAT Prep - Word List 4by Garrett-Smith | 100 terms | May 25, 2008 |
| 28 | Unit 4 Vocabby hannahflom | 20 terms | December 4, 2008 |
| 29 | The scarlet letter vocabby coolness314 | 23 terms | January 8, 2009 |