duosyllable

noun

"duosyllable" is a 11-letter English headword indexed on PlainSpell.

The verdict

“duosyllable” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A word containing two syllables.

Corpus desk

Index EN-duosyllable · duosyllable · English

duosyllable · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for duosyllable
PropertyValue
Headwordduosyllable
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “duosyllable” in English

duosyllablesits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

duosyllable is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A word containing two syllables.".

duosyllable has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From duo- + syllable. The correct English form is duosyllable, spelled D-U-O-S-Y-L-L-A-B-L-E.

Definition

  1. 1
    A word containing two syllables.

Recorded use

Wiktionary examples

These source excerpts show how duosyllable appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. To this minute account we might perhaps merely answer with laconic gravity, "Suppose," for on this magic duosyllable does the whole tale of gorgeous fortune and unprecedented gullibility depend.
  2. Martin Amis famously saw off the cult of personality in tennis when he defined it as “an exact synonym of a seven-letter duosyllable starting with ‘a’, ending with ‘e’ (and also featuring, in order of appearance, an ‘ss’, an ‘h’, an ‘o’ and ‘l’)”.

Etymology

From duo- + syllable.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "duosyllable"?
"duosyllable" is spelled D-U-O-S-Y-L-L-A-B-L-E.
What does "duosyllable" mean?
As a noun, "duosyllable" means: A word containing two syllables.
What is the origin of the word "duosyllable"?
From duo- + syllable. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list