4B
"4b" is a 1-letter English headword indexed on PlainSpell.
The verdict
“4B” sits in 5 confusable pairs (corpus #33,921) as a proper noun. The look-alike neighbours are the real trap.
- #33,921
- frequency rank, English
- 2
- letters
- 5
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A radical feminist movement originating in South Korea whose tenets are: no sex with men, no giving birth, no dating men, and no marriage with men.
Corpus desk
Index EN-4b · 4B · English
4B · rank #33,921 · 0 variants · 5 confusables
- FREQ-MID #33,921
- LEN-SHORT 2 letters
- VOW-0 0 vowels
- CONFUS-MID 5 pairs
- VAR-0 0 variants
- BOOK-THIN "4" thin
- PHOTO-FINISH ACK
Nearest frequency peer: ACK (+3 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 “4B”
Peers at similar corpus weight, separate from look-alike pairs below
- Yorke
Yorke
66,085 corpus weight
- 4B
4B
66,080 corpus weight
- ACK
ACK
66,077 corpus weight
- acronyms
acronyms
66,076 corpus weight
- Adderall
Adderall
66,075 corpus weight
- admissible
admissible
66,074 corpus weight
What this shows Bars place “4B” 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 | 4B |
| Language | English |
| Part of speech | Proper noun |
| Letters | 2 |
| Frequency rank | #33,921 |
| Misspellings tracked | 0 |
| Confusable pairs | 5 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “4B”
Easy to mix with look-alikes
The spelling risk for 4B is neighbouring look-alikes ("4D", "4X", …), not just typos; it is aproper noun. Frequency #33,921. Gloss: "A radical feminist movement originating in South Korea whose tenets are: no sex with men, no giving birth, no dating men, and no marriage with men.".
4B doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. It also participates in 5 confusable-pair relationships, "4D", "4X", "4th", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
Etymologically, the entry records: From four Korean words starting with Korean 비(非) (bi, “un-, not”), thus literally translated as "four nos". The correct English form is 4B, spelled 4-B.
Definition
- 1A radical feminist movement originating in South Korea whose tenets are: no sex with men, no giving birth, no dating men, and no marriage with men.
Recorded use
Wiktionary examplesThese source excerpts show how 4B appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The blowback and fear that 4B practitioners experience underscores their conviction that Korea is still a frightening place for women.
Ever since the election, there have been endless headlines about US women emulating South Korea’s fringe 4B movement[.]
Etymology
From four Korean words starting with Korean 비(非) (bi, “un-, not”), thus literally translated as "four nos".
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.