radishvsrashWhich spelling fits?

Quick tell: radish is a noun, rash is an adjective, so they fill different roles in a sentence.

Which to use

“radish” is a noun and “rash” is an adjective - they look or sound alike but fill different roles in a sentence.

#38,122
“radish” frequency rank
#11,772
“rash” frequency rank
49894
confusion score

Side-by-Side Comparison

Feature radish rash
Definition A plant of the Brassicaceae family, Raphanus sativus or Raphanus raphanistrum subsp. sativus, having an edible root. Acting too quickly without considering the consequences and risks; not careful; hasty.

Where the eye mixes radish and rash

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. radish runs 6 letters (CVCVCC) against rash's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
radish
4 ch
rash

Look-alike desk: radish vs rash

These two trip readers on the page rather than in the ear: radish is /ˈɹad.ɪʃ/ while rash is /ɹæʃ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 49894, derived from the frequency rank of both members and their visual similarity.

radish is recorded at frequency rank #38,122, classified as anoun, pronounced /ˈɹad.ɪʃ/. rash is at rank #11,772, tagged as anadj, pronounced /ɹæʃ/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 49894, this pair ranks #179,293 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of radish vs rash

Shared letters: ahrs. Private to "radish": di. Private to "rash": -.

"radish" · 6 letters · shape CVCVCC  ·  "rash" · 4 letters · shape CVCC

Known mistypes of this pair

  • radish ← ardish · raddish · radihs · radishh · radissh · radsih · raidsh · rdaish
  • rash ← arsh · rahs · rashh · rassh · rrash · rsah

Frequently Asked Questions

Is swapping "radish" for "rash" ever safe?
No - they are not even the same part of speech. "radish" is a noun and "rash" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "radish" or "rash"?
"rash" is the more common of the two: it sits at frequency rank #11,772 in our English list, against #38,122 for "radish". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "radish" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rash" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #179,293 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "radish" and "rash" also get mixed up with nearby pairs, the highest-scored neighbour is "radish vs Rajesh". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #179,293 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list