| Play | Key Line | Modern Text | Original Text |
| Henry IV Part 2 | 2H4 IV.i.65 | And purge th' obstructions which begin to stop | And purge th' obstructions, which begin to stop |
| Measure for Measure | MM III.i.122 | To lie in cold obstruction and to rot; | To lie in cold obstruction, and to rot, |
| Twelfth Night | TN II.v.116 | obstruction in this. And the end: what should that alphabetical | obstruction in this, and the end: What should that Alphabeticall |
| Twelfth Night | TN III.iv.20 | some obstruction in the blood, this cross-gartering – but | some obstruction in the blood: / This crosse-gartering, but |
| Twelfth Night | TN IV.ii.39 | obstruction! | obstruction? |