| Play | Key Line | Modern Text | Original Text |
| The Comedy of Errors | CE I.i.126 | At eighteen years became inquisitive | At eighteene yeeres became inquisitiue |
| Cymbeline | Cym II.i.55 | And leave eighteen. Alas, poor princess, | And leaue eighteene. Alas poore Princesse, |
| Henry IV Part 1 | 1H4 II.iv.307 | O villain, thou stolest a cup of sack eighteen | O Villaine, thou stolest a Cup of Sacke eighteene |
| Henry VI Part 2 | 2H6 I.i.42 | For eighteen months concluded by consent. | For eighteene moneths concluded by consent. |
| Henry VI Part 2 | 2H6 I.i.65 | I'the parts of France, till term of eighteen months | I'th parts of France, till terme of eighteene Moneths |
| Richard II | R2 I.i.95 | That all the treasons for these eighteen years | That all the Treasons for these eighteene yeeres |
| The Two Noble Kinsmen | TNK V.ii.29.2 | She's eighteen. | She's eighteene. |