Second-person singular simple present form of suffer(verb)
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Use "sufferest" in a sentence
"What thou sufferest is mere discomfort, Master Galenthe aches of a nobleman2s son who finds the fireplace ready when the frost first touches the ground."
"“What, then, are thy thoughts of the Emperor by whose command thou sufferest so severe a restraint?”"
"‘Take heart and be of good courage, I know what thou sufferest.’"