…that “dreamt” is the only word that ends in mt?
Oxforddictionaries.com asks the question:
What is the only word in the English language that ends in the letters – ‘mt’?
The answer is dreamt, a variant spelling of dreamed (past tense and past participle of the verb dream), that’s used in British English. If you were being pedantic there’s also undreamt, as in the pace of technological development is leading to social change undreamt of a decade ago.