flash
/flæʃ/
"flash" is a 5-letter English headword indexed on PlainSpell.
The verdict
“flash” is a regularly-used English word, ranked #3,299 in English word frequency and used as a verb.
- #3,299
- frequency rank, English
- 5
- letters
- 8
- tracked misspellings
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To cause to shine briefly or intermittently.
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 | flash |
| Language | English |
| Part of speech | Verb |
| IPA | /flæʃ/ |
| Letters | 5 |
| Frequency rank | #3,299 |
| Misspellings tracked | 8 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Where “flash” sits in English frequency
Spelling & Dictionary Insight
The English entry for flash is 5 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /flæʃ/. Corpus data places it at rank #3,299 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 22 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 8 likely wrong-spelling variants for flash, with forms such as "falsh", "fflash", and "flahs". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "flat", "flaw", "flax", and more, where similar look or sound leads writers to substitute one word for another in context.
Etymologically, the entry records: In some senses, from Middle English flasshen, a variant of flasken, flaskien (“to sprinkle, splash”), which was likely of imitative origin; in other senses probably of North Germanic origin akin to Swedish dialectal flasa (“to burn brightly, blaze”), relate… The correct English form is flash, spelled F-L-A-S-H.
Definition
- 1To cause to shine briefly or intermittently.
- 2To blink; to shine or illuminate intermittently.
- 3To be visible briefly.
- 4To make visible briefly.
- 5To expose one's intimate body part or undergarment, often momentarily and unintentionally. (Contrast streak.)
- 6To break forth like a sudden flood of light; to show a momentary brilliance.
- 7To flaunt; to display in a showy manner.
- 8To communicate quickly.
- 9To move, or cause to move, suddenly.
- 10To telephone a person, only allowing the phone to ring once, in order to request a call back.
- 11To evaporate suddenly. (See flash evaporation.)
- 12To climb (a route) successfully on the first attempt.
- 13To write to the memory of (an updatable component such as a BIOS chip or games cartridge).
- 14To cover with a thin layer, as objects of glass with glass of a different colour.
- 15To expand (blown glass) into a disc.
- 16To send by some startling or sudden means.
- 17To burst out into violence.
- 18To perform a flash.
- 19To release the pressure from a pressurized vessel.
- 20To trick up in a showy manner.
- 21To strike and throw up large bodies of water from the surface; to splash.
- 22To flash back.
Etymology
In some senses, from Middle English flasshen, a variant of flasken, flaskien (“to sprinkle, splash”), which was likely of imitative origin; in other senses probably of North Germanic origin akin to Swedish dialectal flasa (“to burn brightly, blaze”), related to flare. Compare also Icelandic flasa (“to rush, go hastily”).
This word in other languages
Common misspellings
Also misspelled as: falsh,fflash,flahs,flashh,flassh,fllash,flsah,lfash
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of flash - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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
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Using “flash”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is F-L-A-S-H - every other letter order is a misspelling in standard orthography.
- Say it as /flæʃ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “flat” - see the side-by-side comparison. flash vs flat
- Browse more English words and confusable pairs in the same reference. English words
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.