Surd

4 lettersnounrare

Updated June 2026

Definition

A consonant sound articulated without vibration of the vocal cords, such as /p/, /t/, or /k/.

“The linguist explained that 'p' is a surd, contrasting with the voiced 'b'.”

Related Words

Synonyms

unvoicedvoicelesshard

Antonyms

voiced

Word Game Tips

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Wordle

Contains U between two consonants, the rare URD ending makes it distinctive.

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Scrabble

Worth 7 points, SURDS is valid, the URD pattern has limited hooks.

Words Related to Surd

Anagrams of Surd

Words that use exactly the same letters as “surd”.

urds

Words one letter different

Change a single letter of “surd” to make these 4-letter words — useful for Wordle and crossword clues.

burd curd sure surf

Add a letter to make a longer word

5-letter words you can spell by adding one letter to “surd”.

burds cruds curds drubs drugs drums druse drusy duras dures durns duros durrs durst hurds rudas rudds sourd sudor sudra surds sured turds ursid

Longer words starting with Surd

Words that begin with “surd”.

surds

Explore Similar Words

4-letter words starting with S 4-letter words ending with D All 4-letter words 5-letter words All word lists

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Dictionary References

Look up surd in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

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