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v. Simple past tense and past participle of endeavour.

"The family they were in endeavoured to conceal it as much as possible, but as it had gotten some vent in the discourse of the neighbourhood, the Secretaries of State got knowledge of it; and concerning themselves to inquire about it, in order to be certain of the truth, two physicians and a surgeon were ordered to go to the house and make inspection."

endeavoured    endeavouring    endeavours   

strive   

Trevor    bever    clever    endeavor    ever   

endeavor    exertion    devotion    aspiration    labors