archvsarisWhat's the difference?

Which to use

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

#6,865
“arch” frequency rank
#46,312
“aris” frequency rank
53177
confusion score

Side-by-Side Comparison

Feature arch aris
Definition An inverted U shape. arse

Where the eye mixes arch and aris

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. arch (VCCC) and aris (VCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
arch
4 ch
aris

Why the eye confuses arch with aris

A purely visual mix-up. arch (/ɑɹt͡ʃ/) and aris (/ˈæɹɪs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 53177, derived from the frequency rank of both members and their visual similarity.

arch is recorded at frequency rank #6,865, classified as anoun, pronounced /ɑɹt͡ʃ/. aris is at rank #46,312, tagged as anoun, pronounced /ˈæɹɪs/.

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 53177, this pair ranks #151,139 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of arch vs aris

Shared letters: ar. Private to "arch": ch. Private to "aris": is.

"arch" · 4 letters · shape VCCC  ·  "aris" · 4 letters · shape VCVC

Known mistypes of this pair

  • arch ← acrh · arcch · archh · arhc · arrch · rach
  • aris ← ariss · arris · arsi · rais

Frequently Asked Questions

Do "arch" and "aris" mean the same thing in a sentence?
No. They are said differently (/ɑɹt͡ʃ/ versus /ˈæɹɪs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "arch" or "aris"?
"arch" is the more common of the two: it sits at frequency rank #6,865 in our English list, against #46,312 for "aris". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "arch" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aris" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #151,139 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "arch" and "aris" also get mixed up with nearby pairs, the highest-scored neighbour is "aris 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 #151,139 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