Aegilops, eight letters long, is the longest word whose letters are arranged in alphabetical order. Seven letter words with this property include beefily and billowy. Six letter words include abhors, accent, access, almost, biopsy, bijoux, billow, chintz, effort, and ghosty.
Dermatoglyphics, misconjugatedly, and uncopyrightable, each fifteen letters long, are the longest English words in which no letter appears more than once. Fourteen letter words with this property are ambidextrously, benzhydroxamic, hydromagnetics, hydropneumatic, pseudomythical, schizotrypanum, sulphogermanic, troublemakings, undiscoverably, and vesiculography.
Ultrarevolutionaries is a word in which each of the five main vowels occurs twice.
Hydroxyzine is the only word in the English language that contains "xyz."
Aftercataracts and tesseradecades, each fourteen letters long, are the longest words that can be typed using only those letters normally typed with the left hand. Twelve letter words with this property include aftereffects, desegregated, desegregates, reasseverate, reverberated, reverberates, and stewardesses.
Facetiously, eleven letters long, is the shortest word in the English language that contains all six vowels in alphabetical order. A twelve letter word with this property is abstemiously. The fourteen letter words adventitiously and sacrilegiously have this property but also have repeated vowels.
