The word Sufer is misspelled against Suffer, a verb meaning "To be injured; to sustain loss or damage."
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Suffer has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Su & er which should not be misspelled with single 'F'
Wrong Spelling:  Su-f-er 
Correct Spelling:  Su-ff-er 
Check more misspelled words of Suffer to spell it correct.