arsedvsASDWhich spelling fits?

Quick tell: arsed is a verb, ASD is a noun, so they fill different roles in a sentence.

Which to use

“arsed” is a verb and “ASD” is a noun - they look or sound alike but fill different roles in a sentence.

#41,002
“arsed” frequency rank
#27,055
“ASD” frequency rank
68057
confusion score

Side-by-Side Comparison

Feature arsed ASD
Definition simple past and past participle of arse. Initialism of average standard deviation.

Letter map: arsed vs ASD

Shared letters muted; letters that set arsed and ASD apart highlighted. Shared run: 3. arsed runs 5 letters (VCCVC) against ASD's 3 (VCC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
arsed
3 ch
ASD

Grammar separator: arsed vs ASD

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: arsed is averb and ASDanoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 68057, derived from the frequency rank of both members and their visual similarity.

arsed is recorded at frequency rank #41,002, classified as averb, pronounced /ɑːst/. ASD is at rank #27,055, tagged as anoun.

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 68057, this pair ranks #60,628 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of arsed vs ASD

Shared letters: ads. Private to "arsed": er. Private to "ASD": -.

"arsed" · 5 letters · shape VCCVC  ·  "ASD" · 3 letters · shape VCC

Known mistypes of this pair

  • arsed ← aresd · arrsed · arsde · arsedd · arssed · asred · rased

Frequently Asked Questions

Is swapping "arsed" for "ASD" ever safe?
No - they are not even the same part of speech. "arsed" is a verb and "ASD" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "arsed" or "ASD"?
"ASD" is the more common of the two: it sits at frequency rank #27,055 in our English list, against #41,002 for "arsed". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "arsed" and "ASD". Here's where to go from here.

  • Full dictionary entry for "arsed" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ASD" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,628 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "arsed" and "ASD" also get mixed up with nearby pairs, the highest-scored neighbour is "aced vs arsed". 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 #60,628 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