swab

/swɒb/

//swɒb// noun

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

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

The verdict

“swab” has 6 generated spelling variants in the English index at frequency #35,972. The variants make it a useful spelling check.

#35,972
frequency rank, English
6,566
“S” headwords
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access.

Corpus desk

Index EN-swab · swab · English

swab · rank #35,972 · 6 variants · 20 confusables

  • FREQ-MID #35,972
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 6 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH swath

Nearest frequency peer: swath (+2 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.

Rank peers near misspelling magnet “swab”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “swab” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

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).

swab vs swim
50% similar
swab vs swap
75% similar
swab vs swan
75% similar

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

Key facts for swab
PropertyValue
Headwordswab
LanguageEnglish
Part of speechNoun
IPA/swɒb/
Letters4
Frequency rank#35,972
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “swab”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).swablands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “swath” (#35,974), “swordsman” (#35,975), “synapses” (#35,976). Among 6,566 “S” headwords, “swab” is #35,972. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 6 spelling variants around swab (IPA /swɒb/), anoun. Corpus frequency is #35,972 among 6,566 “S” headwords. Wiktionary lists 6 senses, so context still picks the gloss.

Our generated misspelling index lists 6 likely wrong-spelling variants for swab, with forms such as "sawb", "sswab", and "swabb". 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, "swim", "swap", "swan", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Mid 17th century (in the sense 'mop for cleaning the decks'): back-formation from Middle English swabber (“sailor detailed to swab decks”), from Middle Dutch zwabber, from a Germanic base meaning 'splash' or 'sway', also found as nautical German Schwabber a… The correct English form is swab, spelled S-W-A-B.

Definition

  1. 1
    A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access.
  2. 2
    A sample taken with a swab (piece of absorbent material).
  3. 3
    A piece of material used for cleaning or sampling other items like musical instruments or guns.
  4. 4
    A mop, especially on a ship.
  5. 5
    A sailor; a swabby.
  6. 6
    A naval officer's epaulet.

Recorded use

Wiktionary example

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

  1. As for that swab, he's good and dead, he is.

Etymology

Mid 17th century (in the sense 'mop for cleaning the decks'): back-formation from Middle English swabber (“sailor detailed to swab decks”), from Middle Dutch zwabber, from a Germanic base meaning 'splash' or 'sway', also found as nautical German Schwabber and Volga German Schwabber ("scrubber, mop, swab")

Synonyms

swabby

This word in other languages

frotis(Español)écouvillon(Français)Tupfer(Deutsch)cotonete(Português)

Common misspellings

Also misspelled as:

  • sawb
  • sswab
  • swabb
  • swba
  • swwab
  • wsab

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of swab - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

sawb2sswab1swabb1swba2swwab1wsab2
Edit distance from "swab"

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 "swab"?
"swab" is spelled S-W-A-B. The IPA pronunciation is /swɒb/.
What does "swab" mean?
As a noun, "swab" means: A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access.
What words are commonly confused with "swab"?
"swab" is commonly confused with "swim", "swap", "swan". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "swab"?
The IPA (International Phonetic Alphabet) transcription for "swab" is /swɒb/. 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 "swab"?
Mid 17th century (in the sense 'mop for cleaning the decks'): back-formation from Middle English swabber (“sailor detailed to swab decks”), from Middle Dutch zwabber, from a Germanic base meaning 'splash' or 'sway', also found as nautical German S... 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 "swab", not the corpus desk frequency band.

Same letter count

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

toed#35,990sona#35,943wane#36,009sade#35,925

Similar misspelling depth

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

steppe6 variantsToure6 variantsQuito6 variantsbunt6 variants

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

Source: FrequencyWords open word-frequency list