<Tr> <Td> </Td> <Td> This section possibly contains original research . Please improve it by verifying the claims made and adding inline citations . Statements consisting only of original research should be removed . (August 2017) (Learn how and when to remove this template message) </Td> </Tr> <Ul> <Li> Schmaltzed and strengthed (10 letters) appear to be the longest monosyllabic words recorded in The Oxford English Dictionary, while scraunched and scroonched appear to be the longest monosyllabic words recorded in Webster's Third New International Dictionary; but squirrelled (11 letters) is the longest if pronounced as one syllable only (as permitted in The Shorter Oxford English Dictionary and Merriam - Webster Online Dictionary at squirrel, and in Longman Pronunciation Dictionary). Schtroumpfed (12 letters) was coined by Umberto Eco, while broughammed (11 letters) was coined by William Harmon after broughamed (10 letters) was coined by George Bernard Shaw . </Li> <Li> Strengths is the longest word in the English language containing only one vowel . </Li> <Li> Euouae, a medieval musical term, is the longest English word consisting only of vowels, and the word with the most consecutive vowels . However, the "word" itself is simply a mnemonic consisting of the vowels to be sung in the phrase "seculorum Amen" at the end of the lesser doxology . (Although u was often used interchangeably with v, and the variant "Evovae" is occasionally used, the v in these cases would still be a vowel .) </Li> <Li> The longest words with no repeated letters are dermatoglyphics, misconjugatedly and uncopyrightables . </Li> <Li> The longest word whose letters are in alphabetical order is the eight - letter Aegilops, a grass genus . However, this is arguably both Latin and a proper noun . There are several six - letter English words with their letters in alphabetical order, including abhors, almost, begins, biopsy, chimps and chintz . </Li> <Li> The longest words recorded in OED with each vowel only once, and in order, are abstemiously, affectiously, and tragediously (OED). Fracedinously and gravedinously (constructed from adjectives in OED) have thirteen letters; Gadspreciously, constructed from Gadsprecious (in OED), has fourteen letters . Facetiously is among the few other words directly attested in OED with single occurrences of all five vowels and the semivowel y . </Li> <Li> The longest single palindromic word in English is rotavator, another name for a rotary tiller for breaking and aerating soil . </Li> </Ul> <Li> Schmaltzed and strengthed (10 letters) appear to be the longest monosyllabic words recorded in The Oxford English Dictionary, while scraunched and scroonched appear to be the longest monosyllabic words recorded in Webster's Third New International Dictionary; but squirrelled (11 letters) is the longest if pronounced as one syllable only (as permitted in The Shorter Oxford English Dictionary and Merriam - Webster Online Dictionary at squirrel, and in Longman Pronunciation Dictionary). Schtroumpfed (12 letters) was coined by Umberto Eco, while broughammed (11 letters) was coined by William Harmon after broughamed (10 letters) was coined by George Bernard Shaw . </Li> <Li> Strengths is the longest word in the English language containing only one vowel . </Li>

Largest number formed by one syllable in english
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