anusvsArgusTell them apart

Quick tell: anus is a noun, Argus is a name, so they fill different roles in a sentence.

Which to use

“anus” is a noun and “Argus” is a name - they look or sound alike but fill different roles in a sentence.

#20,835
“anus” frequency rank
#27,051
“Argus” frequency rank
47886
confusion score

Side-by-Side Comparison

Feature anus Argus
Definition The external orifice of the rectum in most mammals, teleost fish, and many invertebrates, through which feces and flatus are ejected. A mythical being, also called Argos or Argus Panoptes, with many eyes, a watchman who served Hera; his eyes were later transplanted to the peacock's tail.

Where the eye mixes anus and Argus

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
anus
5 ch
Argus

Why the eye confuses anus with Argus

These two trip readers on the page rather than in the ear: anus is /ˈeɪ.nəs/ while Argus is /ˈɑːɡəs/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 47886, derived from the frequency rank of both members and their visual similarity.

anus is recorded at frequency rank #20,835, classified as anoun, pronounced /ˈeɪ.nəs/. Argus is at rank #27,051, tagged as aname, pronounced /ˈɑːɡəs/.

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 47886, this pair ranks #198,250 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of anus vs Argus

Shared letters: asu. Private to "anus": n. Private to "Argus": gr.

"anus" · 4 letters · shape VCVC  ·  "Argus" · 5 letters · shape VCCVC

Known mistypes of this pair

  • anusannus · ansu · anuss · auns · naus
  • Argusagrus · arggus · argsu · arguss · arrgus · arugs · ragus

Frequently Asked Questions

Can "anus" and "Argus" be used interchangeably?
No - they are not even the same part of speech. "anus" is a noun and "Argus" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "anus" or "Argus" show up more?
"anus" is the more common of the two: it sits at frequency rank #20,835 in our English list, against #27,051 for "Argus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "anus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Argus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #198,250 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "anus" and "Argus" also get mixed up with nearby pairs, the highest-scored neighbour is "Argus vs arras". 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 #198,250 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