The word Sufocate is misspelled against Suffocate, meaning "cause or have difficulty in breathing"
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Suffocate has double "ff" is mispronounced as "f"
Remember double 'FF' in between the strings Su & ocate which should not be misspelled with single 'F'
Wrong Spelling:  Su-f-ocate 
Correct Spelling:  Su-ff-ocate 
Check more misspelled words of Suffocate to spell it correct.