Home > Guinness World Record > Longest English Word Without Any Vowel: Meet the 12-Letter ‘Twyndyllyngs’

Longest English Word Without Any Vowel: Meet the 12-Letter ‘Twyndyllyngs’

The word "Twyndyllyngs" is the plural noun that bears the prestigious title of longest word lacking A, E, I, O, or U. It is the term for a twin or two-part unit.

Published By: Khushi Kumari
Last Updated: November 28, 2025 15:16:55 IST

The vastness of the English language and its element of surprise might best be captured in the form of very long words that exist without using the core five vowels: A, E, I, O, or U.

These words heavily depend on the letter ‘Y’ to function as a vowel sound. At the very top of this linguistic oddity stands Twyndyllyngs, officially the longest word in the language, clocking 12 letters, to totally shun the usual vowels.

The Twelve-Letter Champion Without Vowels

The word “Twyndyllyngs” is the plural noun that bears the prestigious title of longest word lacking A, E, I, O, or U. It is the term for a twin or two-part unit.

While certainly not a word you hear every day, its construction shows the flexible and powerful role the letter ‘Y’ plays in English phonetics. Its singular counterpart, a record-holder in its own right, stands tall at 11 letters: twyndyllyng.

Also Read: World Longest Tongue (Male): Nick Stoeberl Holds Record With 10.1 cm Reach

Why These Words Are So Rare in English

As the length decreases, the number of these special words increases, but they are still extremely uncommon. An outstanding eight-letter example is symphysy, the surgical union of two body structures.

Showing that the shorter words in this family can be equally challenging are the seven-letter entries “gypsyfy,” to make like a gypsy, and “nymphly,” in the manner of a nymph. Probably the most well-known member of this unusual class, however, is the plural of a very familiar word: rhythm. 

The Role of the Letter ‘Y’ 

These words are only possible because of the letter ‘Y.’. In English, ‘Y’ is sometimes referred to as a semi-vowel, since it can be both a consonant, such as in “yellow,” and a vowel, as in “sky.”

In all these vowel-less record-holders, it’s the ‘Y’ that steps in to provide the necessary open, flowing sound that enables the word to be spoken.

If ‘Y’ didn’t replace a vowel here, one wouldn’t be able to pronounce these consonant clusters. This remarkable flexibility of the letter ‘Y’ allows these curiously long and special words to be correctly read and grasped, securing their places in the language records.

Also Read: World Longest Eyelashes: You Jianxia Sets an Unbreakable World Guinness Record

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