IB
"ib" is a 2-letter English headword indexed on PlainSpell.
The verdict
“IB” sits in 20 confusable pairs (corpus #16,046) as a noun. The look-alike neighbours are the real trap.
- #16,046
- frequency rank, English
- 2,140
- “I” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An International Baccalaureate program
Corpus desk
Index EN-ib · IB · English
IB · rank #16,046 · 0 variants · 20 confusables
- FREQ-MID #16,046
- LEN-SHORT 2 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 2,140
- PHOTO-FINISH Howell
Nearest frequency peer: Howell (-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 “IB”
Peers at similar corpus weight, separate from look-alike pairs below
- hoops
hoops
83,957 corpus weight
- Howell
Howell
83,956 corpus weight
- IB
IB
83,955 corpus weight
- imaginative
imaginative
83,954 corpus weight
- imperfect
imperfect
83,953 corpus weight
- implicit
implicit
83,952 corpus weight
What this shows Bars place “IB” 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 | IB |
| Language | English |
| Part of speech | Noun |
| Letters | 2 |
| Frequency rank | #16,046 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “IB”
Easy to mix with look-alikes
The spelling risk for IB is neighbouring look-alikes ("in", "is", …), not just typos; it is anoun. Frequency #16,046 among 2,140 “I” headwords. 4 recorded senses keep meaning in play.
We couldn't generate a plausible misspelling set for IB, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "in", "is", "it", and more, where similar look or sound leads writers to substitute one word for another in context.
No documented word history exists for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is IB, spelled I-B.
Definition
- 1An International Baccalaureate program
- 2Initialism of integrated battlefield.
- 3Initialism of infectious bronchitis.
- 4Initialism of internet brigade.
Recorded use
Wiktionary exampleThese source excerpts show how IB appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
But — the PAP’s IB has a digital weapon that the non-PAP IB doesn’t — the POFMA.
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.