FCK
"fck" is a 3-letter English headword indexed on PlainSpell.
The verdict
“FCK” is uncommon English (frequency #69,044 among 18,613 “F” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #69,044
- frequency rank, English
- 18,613
- “F” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of FC København (“FC Copenhagen”).
Corpus desk
Index EN-fck · FCK · English
FCK · rank #69,044 · 0 variants · 0 confusables
- FREQ-RARE #69,044
- LEN-MID 3 letters
- VOW-0 0 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 18,613
- PHOTO-FINISH falciparum
Nearest frequency peer: falciparum (-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 neighbourhood for “FCK”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- exhorting
exhorting
30,963 corpus weight
- expunge
expunge
30,962 corpus weight
- Fabre
Fabre
30,961 corpus weight
- falciparum
falciparum
30,960 corpus weight
- FCK
FCK
30,957 corpus weight
- fka
fka
30,951 corpus weight
What this shows Bars show where “FCK” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | FCK |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #69,044 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “FCK” sits in English frequency
Rare enough to double-check
FCK is uncommon English at frequency #69,044 among 18,613 “F” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for FCK, a sign its spelling follows regular English conventions. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Our source data has no etymology on file for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct English form is FCK, spelled F-C-K.
Definition
- 1Initialism of FC København (“FC Copenhagen”).
- 2Initialism of 1. FC Kaiserslautern.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
How do you spell "FCK"?
What does "FCK" mean?
What language does "FCK" come from?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "FCK", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.