| Play | Key Line | Modern Text | Original Text |
| Cymbeline | Cym IV.ii.90 | I cannot tremble at it, were it Toad, or Adder, Spider, | I cannot tremble at it, were it Toad, or Adder, Spider, |
| Henry VI Part 2 | 2H6 III.ii.76 | What! Art thou like the adder waxen deaf? | What? Art thou like the Adder waxen deafe? |
| Julius Caesar | JC II.i.14 | It is the bright day that brings forth the adder, | It is the bright day, that brings forth the Adder, |
| King Lear | KL V.i.57 | Are of the adder. Which of them shall I take? | Are of the Adder. Which of them shall I take? |
| A Midsummer Night's Dream | MND III.ii.71 | Could not a worm, an adder do so much? | Could not a worme, an Adder do so much? |
| A Midsummer Night's Dream | MND III.ii.72 | An adder did it; for with doubler tongue | An Adder did it: for with doubler tongue |
| A Midsummer Night's Dream | MND III.ii.73 | Than thine, thou serpent, never adder stung. | Then thine (thou serpent) neuer Adder stung. |
| Richard II | R2 III.ii.20 | Guard it, I pray thee, with a lurking adder, | Guard it I prethee with a lurking Adder, |
| The Taming of the Shrew | TS IV.iii.173 | Or is the adder better than the eel | Or is the Adder better then the Eele, |
| Timon of Athens | Tim IV.iii.182 | Engenders the black toad and adder blue, | Engenders the blacke Toad, and Adder blew, |
| Titus Andronicus | Tit II.iii.35 | Even as an adder when she doth unroll | Euen as an Adder when she doth vnrowle |