How to spell medium 132 / 213
Don't write proffesional
Correct professional
i · Common slips One wrong form
ii · The ruleTwo lines, no filler
PROFESSIONAL has one F and two Ss — comes from PROFESS, which doubles the S.
iii · Memory hookKeep this one
Profess (one F) + ional. Two Ss for the noun.
iv · References Cross-check
v · Read deeperFull entry available
60-second read
Professional vs. Proffesional
Double S, single F.
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