rash

/ɹæʃ/

//ɹæʃ// adj

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

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

The verdict

“rash” has 6 generated spelling variants in the English index at frequency #11,772. The variants make it a useful spelling check.

#11,772
frequency rank, English
3,094
“R” headwords
6
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Acting too quickly without considering the consequences and risks; not careful; hasty.

Corpus desk

Index EN-rash · rash · English

rash · rank #11,772 · 6 variants · 20 confusables

  • FREQ-MID #11,772
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-MID 6 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH rant

Nearest frequency peer: rant (-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.

Rank peers near misspelling magnet “rash”

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

corpus weight

What this shows “rash” 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).

rash vs RS
0% similar
rash vs RH
0% similar
rash vs ray
50% similar

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

Key facts for rash
PropertyValue
Headwordrash
LanguageEnglish
Part of speechAdjective
IPA/ɹæʃ/
Letters4
Frequency rank#11,772
Misspellings tracked6
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “rash”

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).rashlands 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 “rant” (#11,771), “realities” (#11,773), “Randall” (#11,770). Among 3,094 “R” headwords, “rash” is #11,772. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 6 spelling variants around rash (IPA /ɹæʃ/), anadjective. Corpus frequency is #11,772 among 3,094 “R” headwords. Wiktionary lists 4 senses, so context still picks the gloss.

Our generated misspelling index lists 6 likely wrong-spelling variants for rash, with forms such as "arsh", "rahs", and "rashh". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "RS", "RH", "ray", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: The adjective is derived from Middle English rash, rasch (“hasty, headstrong, rash”) [and other forms], probably from Old English *ræsċ (“rash”) (found in derivatives such as ræsċan (“to move rapidly; to flicker; to flash; to glitter; to quiver”), ræsċettan… The correct English form is rash, spelled R-A-S-H.

Definition

  1. 1
    Acting too quickly without considering the consequences and risks; not careful; hasty.
  2. 2
    Of corn or other grains: so dry as to fall out of the ear with handling.
  3. 3
    Requiring swift action; pressing; urgent.
  4. 4
    Taking effect quickly and strongly; fast-acting.

Recorded use

Wiktionary examples

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

  1. rash words spoken in the heat of debate
  2. […] Eusebius doth report that Ireneus dyd reprooue Victor byshop of Rome for his rash sentēce in excōmunicating the Churches of Grece, concerning the obseruation of the feast of Easter.

Etymology

The adjective is derived from Middle English rash, rasch (“hasty, headstrong, rash”) [and other forms], probably from Old English *ræsċ (“rash”) (found in derivatives such as ræsċan (“to move rapidly; to flicker; to flash; to glitter; to quiver”), ræsċettan (“to crackle, sparkle”), etc.), from Proto-West Germanic *rask, *raskī, *rasku, from Proto-Germanic *raskaz, *raskuz, *raþskaz, *raþskuz (“rash; rapid”), from Proto-Indo-European *Hreth₂- (“to run, roll”). The Middle English word was probably influenced by the cognates listed below. The adverb is derived from Middle English rashe (“quickly, rapidly”), from rash, rasch (adjective) (see above). Cognates * Dutch ras, rasch (“rash”) * Middle Low German rasch (“rash”) * Old Danish rask (“agile, nimble; fast; healthy, vigorous”) (modern Danish rask (“agile, nimble; fast; healthy, vigorous; hasty, rash”)) * Old High German reski (“impetuous, rash”) (Middle High German rasch, resch (“agile, nimble; fast; lively; healthy, vigorous”), modern German rasch, räsch, resch (“agile, nimble; fast; hasty, rash; healthy, vigorous; of food: crisp, crusty”)) * Old Norse rǫskr (“brave; healthy, vigorous”) (Icelandic röskur (“strong; healthy, vigorous”)) * Old Swedish rasker (“agile, nimble; brave; fast; vigorous”) (modern Swedish rask (“agile, nimble; fast; healthy, vigorous”))

This word in other languages

adelantado(Español)hâtif(Français)voreilig(Deutsch)imprudente(Português)

Common misspellings

Also misspelled as:

  • arsh
  • rahs
  • rashh
  • rassh
  • rrash
  • rsah

Misspelling Pattern Breakdown

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

arsh2rahs2rashh1rassh1rrash1rsah2
Edit distance from "rash"

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 "rash"?
"rash" is spelled R-A-S-H. The IPA pronunciation is /ɹæʃ/.
What does "rash" mean?
As an adjective, "rash" means: Acting too quickly without considering the consequences and risks; not careful; hasty.
What words are commonly confused with "rash"?
"rash" is commonly confused with "RS", "RH", "ray". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "rash"?
The IPA (International Phonetic Alphabet) transcription for "rash" is /ɹæʃ/. 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 "rash"?
The adjective is derived from Middle English rash, rasch (“hasty, headstrong, rash”) [and other forms], probably from Old English *ræsċ (“rash”) (found in derivatives such as ræsċan (“to move rapidly; to flicker; to flash; to glitter; to quiver”),... 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 "rash", not the corpus desk frequency band.

Same letter count

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

rant#11,771ripe#11,783otto#11,755sane#11,791

Similar misspelling depth

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

spun6 variantsmist6 variantstoby6 variantslays6 variants

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

Source: FrequencyWords open word-frequency list