ought

/ɔːt/

//ɔːt// verb

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

The verdict

“ought” has 7 generated spelling variants in the English index at frequency #3,966. The variants make it a useful spelling check.

#3,966
frequency rank, English
1,431
“O” headwords
7
tracked misspellings
3
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - simple past of owe

Corpus desk

Index EN-ought · ought · English

ought · rank #3,966 · 7 variants · 3 confusables

  • FREQ-COMMON #3,966
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-LOW 3 pairs
  • VAR-MID 7 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH operated

Nearest frequency peer: operated (-1 rank slots)

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.

Rank peers near misspelling magnet “ought”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “ought” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

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

ought vs out
60% similar
ought vs oust
60% similar
ought vs ouch
60% similar

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

Key facts for ought
PropertyValue
Headwordought
LanguageEnglish
Part of speechVerb
IPA/ɔːt/
Letters5
Frequency rank#3,966
Misspellings tracked7
Confusable pairs3
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “ought”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).oughtlands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “operated” (#3,965), “outcome” (#3,967), “painted” (#3,968). Among 1,431 “O” headwords, “ought” is #3,966. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 7 spelling variants around ought (IPA /ɔːt/), averb. Corpus frequency is #3,966 among 1,431 “O” headwords. Dominant gloss: "simple past of owe".

Our generated misspelling index lists 7 likely wrong-spelling variants for ought, with forms such as "oguht", "ougght", and "oughht". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 3 confusable-pair relationships, "out", "oust", "ouch", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English oughte, aughte, aȝte, ahte, from Old English āhte, first and third person singular past tense of Old English āgan (“to own, possess”), equivalent to owe + -t. Cognate with Sanskrit ईश्वर (īśvará, “capable of, liable”). The correct English form is ought, spelled O-U-G-H-T.

Definition

  1. 1
    simple past of owe

Recorded use

Wiktionary examples

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

  1. There was a certayne lender / which had two detters / the one ought five hondred pence / and the other fifty.
  2. […]witneſſe Ariſtippus, who being vrged with the affection he ought his children, as proceeding from his loynes, began to ſpeake and ſpit[…].

Etymology

From Middle English oughte, aughte, aȝte, ahte, from Old English āhte, first and third person singular past tense of Old English āgan (“to own, possess”), equivalent to owe + -t. Cognate with Sanskrit ईश्वर (īśvará, “capable of, liable”).

Common misspellings

Also misspelled as:

  • oguht
  • ougght
  • oughht
  • oughtt
  • ougth
  • ouhgt
  • uoght

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ought - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

oguht2ougght1oughht1oughtt1ougth2ouhgt2uoght2
Edit distance from "ought"

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 "ought"?
"ought" is spelled O-U-G-H-T. The IPA pronunciation is /ɔːt/.
What does "ought" mean?
As a verb, "ought" means: simple past of owe
What words are commonly confused with "ought"?
"ought" is commonly confused with "out", "oust", "ouch". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ought"?
The IPA (International Phonetic Alphabet) transcription for "ought" is /ɔːt/. 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 "ought"?
From Middle English oughte, aughte, aȝte, ahte, from Old English āhte, first and third person singular past tense of Old English āgan (“to own, possess”), equivalent to owe + -t. Cognate with Sanskrit ईश्वर (īśvará, “capable of, liable”). 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "ought", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 5 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (7 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list