flap

/flæp/

//flæp// noun

By · According to Wiktionary data (CC BY-SA) ·

"flap" is a 4-letter English headword indexed on PlainSpell.

The verdict

“flap” has 6 generated spelling variants in the English index at frequency #15,170. The variants make it a useful spelling check.

#15,170
frequency rank, English
2,507
“F” headwords
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved.

Corpus desk

Index EN-flap · flap · English

flap · rank #15,170 · 6 variants · 20 confusables

  • FREQ-MID #15,170
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 6 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH fisherman

Nearest frequency peer: fisherman (-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 neighbourhood for “flap”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “flap” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

flap vs FP
0% similar
flap vs fly
50% similar
flap vs flu
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for flap
PropertyValue
Headwordflap
LanguageEnglish
Part of speechNoun
IPA/flæp/
Letters4
Frequency rank#15,170
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “flap” sits in English frequency

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).flaplands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “fisherman” (#15,169), “folklore” (#15,171), “fingerprint” (#15,168). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 6 spelling variants around flap (IPA /flæp/), anoun. Corpus frequency is #15,170 among 2,507 “F” headwords. Wiktionary lists 12 senses, so context still picks the gloss.

Our generated misspelling index lists 6 likely wrong-spelling variants for flap, with forms such as "falp", "fflap", and "flapp". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "FP", "fly", "flu", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English flap, flappe (“a slap; blow; buffet; fly-flap; something flexible or loose; flap”), related to Saterland Frisian Flappert (“wing, flipper”), Middle Dutch flabbe (“a blow; slap on the face; fly-flap; flap”) (modern Dutch flap (“flap”)), M… The correct English form is flap, spelled F-L-A-P.

Definition

  1. 1
    Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved.
  2. 2
    A hinged leaf.
  3. 3
    A hinged surface on the trailing edge of the wings of an aeroplane, used to increase lift and drag.
  4. 4
    A side fin of a ray.
  5. 5
    The motion of anything broad and loose, or a sound or stroke made with it.
  6. 6
    A controversy, scandal, stir, or upset.
  7. 7
    A consonant sound made by a single muscle contraction, such as the sound /ɾ/ in the standard American English pronunciation of body.
  8. 8
    A piece of tissue incompletely detached from the body, as an intermediate stage of plastic surgery.
  9. 9
    The labia, the vulva.
  10. 10
    A blow or slap (especially to the face).
  11. 11
    A young prostitute.
  12. 12
    A connected component of the induced subgraph formed by deleting a set of vertices.

Recorded use

Wiktionary examples

These source excerpts show how flap appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. a flap of a garment
  2. The envelope flap seemed curiously wrinkled.

Etymology

From Middle English flap, flappe (“a slap; blow; buffet; fly-flap; something flexible or loose; flap”), related to Saterland Frisian Flappert (“wing, flipper”), Middle Dutch flabbe (“a blow; slap on the face; fly-flap; flap”) (modern Dutch flap (“flap”)), Middle Low German flabbe, vlabbe, flebbe, from the verb (see below). Related also to English flab and flabby.

This word in other languages

solapa(Español)pan(Français)Krempe(Deutsch)aba(Português)

Common misspellings

Also misspelled as:

  • falp
  • fflap
  • flapp
  • fllap
  • flpa
  • lfap

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of flap - 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.

falp2fflap1flapp1fllap1flpa2lfap2
Edit distance from "flap"

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 "flap"?
"flap" is spelled F-L-A-P. The IPA pronunciation is /flæp/.
What does "flap" mean?
As a noun, "flap" means: Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved.
What words are commonly confused with "flap"?
"flap" is commonly confused with "FP", "fly", "flu". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "flap"?
The IPA (International Phonetic Alphabet) transcription for "flap" is /flæp/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "flap"?
From Middle English flap, flappe (“a slap; blow; buffet; fly-flap; something flexible or loose; flap”), related to Saterland Frisian Flappert (“wing, flipper”), Middle Dutch flabbe (“a blow; slap on the face; fly-flap; flap”) (modern Dutch flap (“... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "flap", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

glee#15,177IKEA#15,193dine#15,144knob#15,203

Similar misspelling depth

Headwords with a similar count of attested misspellings (6 here; floor ≥5).

musk6 variantsnuns6 variantsattire6 variantsADHD6 variants

What to do next

You've looked up "flap". Here's where to go from here.

  • "flap" maps to 20 confusable pairs in this vintage; the highest-scored is "FP". View pair
  • 6 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #15,170 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "F" letter cohort. F–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list