- ANTI-: against (e.g., antisocial, antifreeze)
- DE-: opposite (e.g., defrost, decode)
- DIS-: not / opposite of (e.g., disconnect, dislike)
- EN-/EM-: cause of (e.g., encode, emphasis)
- FORE-: before (e.g., forecast, foreshadow)
- IM-/IN-: not (e.g., impossible, incomplete)
- INTER-: between (e.g., international, internet)
- MID-: middle (e.g., midway, midterm)
- MIS-: wrongly (e.g., misbehave, misspell)
- NON-: not (e.g., nonsense, nonstop)
- OVER-: over (e.g., overpaid, overreaction)
- PRE-: before (e.g., preview, preschool)
- RE-: again (e.g., rebuild, recall)
- SEMI-: half (e.g., semifinal, semiformal)
- SUB-: under (e.g., subway, submarine)
- SUPER-: above (e.g., superstar, supernatural)
- TRANS-: across (e.g., transatlantic, transcontinental)
- UN-: not (e.g., unfriendly, untidy)
- -ABLE: able to be (e.g., capable, measurable)
- -AGE: a result (e.g., wreckage, drainage)
- -ANCE: an action or state (e.g., guidance, importance)
- -ANT: a person (e.g., assistant, consultant)
- -ATE: become (e.g., graduate, create)
- -ENCE: an action or state (e.g., difference, consequence)
- -ER/-OR: a person (e.g., teacher, decorator)
- -ERY: place of work (e.g., bakery, perfumery)
- -ESS: feminine form (e.g., waitress, hostess)
- -FUL: as much as will fill (e.g., joyful, spoonful)
- -IBLE: ability (e.g., flexible, suggestible)
- -ING: an action or result (e.g., painting, boxing)
- -ISH: a little (e.g., greenish, dorkish)
- -IST: a person (e.g., artist, pianist)
- -LESS: without (e.g., helpless, homeless)
- -LY: related to / quality (e.g., happily, slowly)
- -OUS: full of (e.g., enormous, ridiculous)
- -SOME: a tendency to (e.g., fearsome, heartsome)
Parent Tip: Review the logic above to help your child master the concept of prefix and suffix posters.