aliasvsarrasTell them apart

Quick tell: alias is a adverb, arras is a noun, so they fill different roles in a sentence.

Which to use

“alias” is an adverb and “arras” is a noun - they look or sound alike but fill different roles in a sentence.

#15,744
“alias” frequency rank
#49,764
“arras” frequency rank
65508
confusion score

Side-by-Side Comparison

Feature alias arras
Definition Otherwise; at another time; in other circumstances; otherwise called; also known as; formerly known as. A tapestry or wall hanging.

Where the eye mixes alias and arras

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

5 ch
alias
5 ch
arras

Why the eye confuses alias with arras

These two trip readers on the page rather than in the ear: alias is /ˈeɪ.li.əs/ while arras is /ˈæɹəs/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 65508, derived from the frequency rank of both members and their visual similarity.

alias is recorded at frequency rank #15,744, classified as anadv, pronounced /ˈeɪ.li.əs/. arras is at rank #49,764, tagged as anoun, pronounced /ˈæɹəs/.

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 65508, this pair ranks #72,392 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of alias vs arras

Shared letters: as. Private to "alias": il. Private to "arras": r.

"alias" · 5 letters · shape VCVVC  ·  "arras" · 5 letters · shape VCCVC

Known mistypes of this pair

  • aliasailas · alais · aliass · alisa · allias · laias
  • arrasarars · aras · arrass · arrsa · raras

Frequently Asked Questions

Do "alias" and "arras" mean the same thing in a sentence?
No - they are not even the same part of speech. "alias" is an adverb and "arras" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "alias" or "arras"?
"alias" is the more common of the two: it sits at frequency rank #15,744 in our English list, against #49,764 for "arras". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "alias" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arras" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #72,392 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "alias" and "arras" also get mixed up with nearby pairs, the highest-scored neighbour is "Akram 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 #72,392 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