doubt

/daʊt/

//daʊt// verb

"doubt" is a 5-letter English headword indexed on PlainSpell.

The verdict

“doubt” is a regularly-used English word, ranked #1,333 in English word frequency and used as a verb.

#1,333
frequency rank, English
5
letters
7
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To be undecided about; to lack confidence in; to disbelieve, to question.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

doubt vs dub
60% similar
doubt vs dust
60% similar
doubt vs Doug
40% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for doubt
PropertyValue
Headworddoubt
LanguageEnglish
Part of speechVerb
IPA/daʊt/
Letters5
Frequency rank#1,333
Misspellings tracked7
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “doubt” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). doubt lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for doubt is 5 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /daʊt/. Corpus data places it at rank #1,333 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 7 likely wrong-spelling variants for doubt, with forms such as "ddoubt", "dobut", and "doubbt". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "dub", "dust", "Doug", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: Etymology tree Latin dubō Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin -tō Latin -itō Latin dubitō Old French doterbor. Middle English douten ▲ Old French doter … The correct English form is doubt, spelled D-O-U-B-T.

Definition

  1. 1
    To be undecided about; to lack confidence in; to disbelieve, to question.
  2. 2
    To harbour suspicion about; suspect.
  3. 3
    To anticipate with dread or fear; to apprehend.
  4. 4
    To fill with fear; to affright.
  5. 5
    To dread, to fear.

Etymology

Etymology tree Latin dubō Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin -tō Latin -itō Latin dubitō Old French doterbor. Middle English douten ▲ Old French doter Old French doutebor. Middle English doute ▲ English dubiousinflu. ▲ Latin dubitōinflu. English doubt The verb is derived from Middle English douten (“to doubt, fear, worry”) [and other forms], from Old French douter, doter, duter (compare Middle French doubter), from Latin dubitāre (“to be uncertain, doubt; to hesitate, waver in coming to an opinion; to consider, ponder”); the further etymology is uncertain, but one theory is that dubitō may be derived from dubius (“fluctuating, wavering; doubtful, dubious, uncertain”), from duhibius (“held as two”), from duo (“two”) (ultimately from Proto-Indo-European *dwóh₁ (“two”)) + habeō (“to have, hold”) (possibly ultimately from Proto-Indo-European *gʰeh₁bʰ- (“to grab, take”)). Spelling reformers of the early modern period added the letter b to reflect the Latin root dubitō, but it has never been pronounced in English. The noun is derived from Middle English dout, doute (“uncertainty, hesitation; questionable point; anxiety, fear, reverence”) [and other forms], from Old French doute, dote, dute (“uncertain feeling, doubt”), from doter, douter, duter (“to doubt, fear”) (compare Middle French doubter; modern French douter (“to doubt, suspect”)); see further etymology above. Displaced Old English twēo (“doubt”) and twēoġan (“to doubt”).

This word in other languages

Common misspellings

Also misspelled as: ddoubt,dobut,doubbt,doubtt,doutb,duobt,odubt

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of doubt - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ddoubt1dobut2doubbt1doubtt1doutb2duobt2odubt2
Edit distance from "doubt"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "doubt"?
"doubt" is spelled D-O-U-B-T. The IPA pronunciation is /daʊt/.
What does "doubt" mean?
As a verb, "doubt" means: To be undecided about; to lack confidence in; to disbelieve, to question.
What words are commonly confused with "doubt"?
"doubt" is commonly confused with "dub", "dust", "Doug". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "doubt"?
The IPA (International Phonetic Alphabet) transcription for "doubt" is /daʊt/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "doubt"?
Etymology tree Latin dubō Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin -tō Latin -itō Latin dubitō Old French doterbor. Middle English douten ▲ Old Fre... 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.

Using “doubt”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is D-O-U-B-T - every other letter order is a misspelling in standard orthography.
  • Say it as /daʊt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “dub” - see the side-by-side comparison. doubt vs dub
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list