How to spell medium 40 / 213
Don't write dilemna
Don't write dilema
Correct dilemma
i · Common slips 2 wrong forms
ii · The ruleTwo lines, no filler
'Dilemma' ends in -mma, not -mna. It's Greek, not Latin.
iii · Memory hookKeep this one
Two M's, no N. Dilemma.
iv · References Cross-check