| molder(verb, break, sink, degenerate, decay) |
| pervert(verb, decline, fail, lower, weaken) |
| pine(verb, drop, fall, fail, diminish) |
| pulverize(verb, break, collapse, split, undo) |
| putrefy(verb, break, collapse, split, undo) |
| recede(verb, drop, decline, fall, fail) |
| return(verb, drop, reduce, fall, fail) |
| revert(verb, drop, decline, reduce, fall) |
| sag(verb, drop, fall, fail, diminish) |
| separate(verb, break, collapse, split, undo) |
| settle(verb, drop, fall, fail, diminish) |
| sever(verb, break, collapse, split, undo) |
| shatter(verb, break, collapse, split, undo) |
| shrink(verb, drop, fall, fail, diminish) |
| sicken |
| skid(verb, decline, weaken, degenerate, deteriorate) |
| slacken |
| slide(verb, drop, decline, fall, fail) |
| slip back |
| splinter(verb, break, collapse, split, undo) |