OH

noun

"oh" is a 2-letter English headword indexed on PlainSpell.

The verdict

“OH” sits in 20 confusable pairs (corpus #359) as a noun. The look-alike neighbours are the real trap.

#359
frequency rank, English
1,431
“O” headwords
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of other half: a husband, wife, partner, etc.

Corpus desk

Index EN-oh · OH · English

OH · rank #359 · 0 variants · 20 confusables

  • FREQ-CORE #359
  • LEN-SHORT 2 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-0 0 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH local

Nearest frequency peer: local (-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.

Frequency neighbours of confusable “OH”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “OH” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

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).

OH vs on
0% similar
OH vs or
0% similar
OH vs OK
50% similar

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

Key facts for OH
PropertyValue
HeadwordOH
LanguageEnglish
Part of speechNoun
Letters2
Frequency rank#359
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “OH”

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

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “local” (#358), “post” (#360), “information” (#357). Among 1,431 “O” headwords, “OH” is #359. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for OH is neighbouring look-alikes ("on", "or", …), not just typos; it is anoun. Frequency #359 among 1,431 “O” headwords. 3 recorded senses keep meaning in play.

We couldn't generate a plausible misspelling set for OH, since its letter sequence doesn't invite the usual edit-distance slips. It also participates in 20 confusable-pair relationships, "on", "or", "OK", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is OH, spelled O-H.

Definition

  1. 1
    Initialism of other half: a husband, wife, partner, etc.
  2. 2
    Initialism of observation helicopter.
  3. 3
    Initialism of overheard; a post whose contents were overheard by its author.

Recorded use

Wiktionary example

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

  1. OH: "We should just burn the whole place down"

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 "OH"?
"OH" is spelled O-H.
What does "OH" mean?
As a noun, "OH" means: Initialism of other half: a husband, wife, partner, etc.
What words are commonly confused with "OH"?
"OH" is commonly confused with "on", "or", "OK". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What language does "OH" come from?
"OH" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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