only 1 use
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- Hereof comes it that Prince Harry is valiant; for the cold blood he did naturally inherit of his father, he hath, like lean, sterile and bare land, manured, husbanded and tilled with excellent endeavour of drinking good and good store of fertile sherris, that he is become very hot and valiant.4.3 — Act 4 Scene 3 — Another part of the forest (91% in)
There are no more uses of "endeavor" in Henry IV, Part 2.
Typical Usage (best examples)