| 1 | Words with -sion, -tion | decision, division, television, explosion, permission, education, population, celebration, competition, imagination |
| 2 | Suffixes -able, -ible | comfortable, valuable, reasonable, available, remarkable, possible, terrible, visible, flexible, responsible |
| 3 | Greek roots (graph, tele, photo) | autograph, paragraph, biography, telephone, telescope, photograph, microphone, symphony, geography, phonics |
| 4 | Latin roots (port, rupt, struct) | transport, import, export, portable, erupt, interrupt, disrupt, construct, structure, instruction |
| 5 | Suffixes -ous, -ive | famous, nervous, dangerous, enormous, curious, active, creative, expensive, positive, attractive |
| 6 | Words with silent letters | island, listen, castle, doubt, honest, column, autumn, design, muscle, rhyme |
| 7 | Homophones and easily confused words | affect, effect, accept, except, principal, principle, weather, whether, desert, dessert |
| 8 | Words with -ance, -ence | balance, distance, importance, allowance, appearance, absence, difference, evidence, patience, confidence |
| — | Tricky words | across, address, argument, definitely, embarrass, environment, necessary, occasion, separate, vegetable |