| self-deceit |
| self-delusion |
| semblance(noun, fancy, confusion, deception, impression) |
| show(acting, showboat, stagecraft) |
| sin(noun, slip, failure, fault, doubt) |
| slight(noun, slip, failure, fault, mistake) |
| slip(noun, failure, fault, mistake, lapse) |
| slipup(noun, slip, failure, fault, mistake) |
| solecism(noun, slip, failure, fault, mistake) |
| sour note(noun, expression, disagreement, opposition, protest) |
| spat(noun, disagreement, opposition, protest, resistance) |
| split(noun, disagreement, opposition, protest, discord) |
| strife(noun, disagreement, opposition, protest, resistance) |
| stumble(noun, slip, failure, fault, mistake) |
| transgression(noun, slip, failure, fault, mistake) |
| trespass(noun, slip, failure, fault, mistake) |
| trick |
| trickery(noun, deception, impression, vision, fantasy) |
| unbelief |
| unorthodox opinion(noun, expression, doubt, uncertainty, dissent) |