only 1 use
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- Thou art arm'd, Gloster:—let the trumpet sound: If none appear to prove upon thy person Thy heinous, manifest, and many treasons, There is my pledge [throwing down a glove]; I'll prove it on thy heart, Ere I taste bread, thou art in nothing less Than I have here proclaim'd thee.5.2 — Act 5 Scene 2 — A field between the two Camps (31% in)
There are no more uses of "heinous" in King Lear.
Typical Usage (best examples)