OMB
"omb" is a 3-letter English headword indexed on PlainSpell.
The verdict
“OMB” sits in 20 confusable pairs (corpus #38,528) as a proper noun. The look-alike neighbours are the real trap.
- #38,528
- frequency rank, English
- 1,431
- “O” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Office of Management and Budget.
Corpus desk
Index EN-omb · OMB · English
OMB · rank #38,528 · 0 variants · 20 confusables
- FREQ-MID #38,528
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 1,431
- PHOTO-FINISH offbeat
Nearest frequency peer: offbeat (-2 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 “OMB”
Peers at similar corpus weight, separate from look-alike pairs below
- oddity
oddity
61,478 corpus weight
- odious
odious
61,477 corpus weight
- offbeat
offbeat
61,475 corpus weight
- OMB
OMB
61,473 corpus weight
- Opie
Opie
61,470 corpus weight
- opportunist
opportunist
61,469 corpus weight
What this shows Bars place “OMB” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | OMB |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #38,528 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “OMB”
Easy to mix with look-alikes
The spelling risk for OMB is neighbouring look-alikes ("on", "or", …), not just typos; it is aproper noun. Frequency #38,528 among 1,431 “O” headwords. 2 recorded senses keep meaning in play.
We couldn't generate a plausible misspelling set for OMB, typically a sign the spelling maps closely to how the word sounds. It also participates in 20 confusable-pair relationships, "on", "or", "op", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.
Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is OMB, spelled O-M-B.
Definition
- 1Initialism of Office of Management and Budget.
- 2Initialism of Ontario Municipal Board.
Recorded use
Wiktionary exampleThese source excerpts show how OMB appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
“OMB withheld funds for a policy reason, which is not permitted under the Impoundment Control Act. The withholding was not a programmatic delay. Therefore, we conclude that OMB violated the ICA.”
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 "OMB"?
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "OMB", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).