FLAC
/flæk/
"flac" is a 4-letter English headword indexed on PlainSpell.
The verdict
“FLAC” is uncommon English (frequency #52,948 among 2,507 “F” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #52,948
- frequency rank, English
- 2,507
- “F” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Free Lossless Audio Codec.
Corpus desk
Index EN-flac · FLAC · English
FLAC · rank #52,948 · 0 variants · 0 confusables
- FREQ-RARE #52,948
- LEN-MID 4 letters
- VOW-1 1 vowel
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,507
- PHOTO-FINISH fizzle
Nearest frequency peer: fizzle (-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.
Long-tail ranks near “FLAC”
Sparse band: bars invert rank so rarer forms read shorter
- fizzle
fizzle
47,054 corpus weight
- FLAC
FLAC
47,053 corpus weight
- Flemington
Flemington
47,052 corpus weight
- fon
fon
47,050 corpus weight
- footman
footman
47,049 corpus weight
- FSM
FSM
47,047 corpus weight
What this shows Long-tail view: where “FLAC” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | FLAC |
| Language | English |
| Part of speech | Proper noun |
| IPA | /flæk/ |
| Letters | 4 |
| Frequency rank | #52,948 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “FLAC” in English
Rare enough to double-check
FLAC is uncommon English at frequency #52,948 among 2,507 “F” headwords, classed as aproper noun, transcribed /flæk/. Rarity is why readers land here mid-draft. Gloss: "Initialism of Free Lossless Audio Codec.".
No generated misspelling entries exist for FLAC in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.
This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is FLAC, spelled F-L-A-C.
Definition
- 1Initialism of Free Lossless Audio Codec.
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 "FLAC"?
What does "FLAC" mean?
How do you pronounce "FLAC"?
What language does "FLAC" come from?
Is PlainSpell free to use?
Similar English words by spelling shape
Same letter count and similar misspelling depth for "FLAC", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 4 letters (nearest by frequency rank).