asfvsassWhat's the difference?

Which to use

“asf” and “ass” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#38,290
“asf” frequency rank
#1,065
“ass” frequency rank
39355
confusion score

Side-by-Side Comparison

Feature asf ass
Definition Initialism of age-sex-from: what is your age, what sex are you, and where are you from? Any of several species of horse-like animals, especially Equus asinus, the domesticated of which are used as beasts of burden.

Letter map: asf vs ass

Shared letters muted; letters that set asf and ass apart highlighted. Shared run: 2.

3 ch
asf
3 ch
ass

Pair insight - asf / ass

asf and ass are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - f in “asf” becomes s in “ass”. Our composite confusion score for this pair is 39355, derived from the frequency rank of both members and their visual similarity.

asf is recorded at frequency rank #38,290, classified as anoun. ass is at rank #1,065, tagged as anoun, pronounced /æs/.

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 39355, this pair ranks #277,477 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of asf vs ass

Shared letters: as. Private to "asf": f. Private to "ass": -.

"asf" · 3 letters · shape VCC  ·  "ass" · 3 letters · shape VCC

Frequently Asked Questions

Is swapping "asf" for "ass" ever safe?
No. They differ by a single letter - f in “asf” becomes s in “ass”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "asf" or "ass" show up more?
"ass" is the more common of the two: it sits at frequency rank #1,065 in our English list, against #38,290 for "asf". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "asf" vs "ass" is on the table, pick a follow-up below.

  • Full dictionary entry for "asf" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ass" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #277,477 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "asf" and "ass" also get mixed up with nearby pairs, the highest-scored neighbour is "asf vs Asta". Nearby pair

Confusion rank #277,477 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