arcovsarghTell them apart

Quick tell: arco is a adverb, argh is an intj, so they fill different roles in a sentence.

Which to use

“arco” is an adverb and “argh” is an intj - they look or sound alike but fill different roles in a sentence.

#49,190
“arco” frequency rank
#30,689
“argh” frequency rank
79879
confusion score

Side-by-Side Comparison

Feature arco argh
Definition A note in string instrument musical notation indicating that the bow is to be used in the usual way, usually following a passage that is played pizzicato. Expressing annoyance, dismay, embarrassment or frustration.

Letter map: arco vs argh

Shared letters muted; letters that set arco and argh apart highlighted. Shared run: 2.

4 ch
arco
4 ch
argh

Grammar separator: arco vs argh

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: arco is anadverb and arghanintj. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 79879, derived from the frequency rank of both members and their visual similarity.

arco is recorded at frequency rank #49,190, classified as anadv. argh is at rank #30,689, tagged as anintj, pronounced /ɑː(ɹ)(ɡ)/.

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 79879, this pair ranks #21,077 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of arco vs argh

Shared letters: ar. Private to "arco": co. Private to "argh": gh.

"arco" · 4 letters · shape VCCV  ·  "argh" · 4 letters · shape VCCC

Known mistypes of this pair

  • arcoarcco · aroc · arrco · raco
  • arghagrh · arggh · arghh · arhg · arrgh · ragh

Frequently Asked Questions

Can "arco" and "argh" be used interchangeably?
No - they are not even the same part of speech. "arco" is an adverb and "argh" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "arco" vs "argh" - which ranks higher?
"argh" is the more common of the two: it sits at frequency rank #30,689 in our English list, against #49,190 for "arco". 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 "arco" and "argh". Here's where to go from here.

  • Full dictionary entry for "arco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "argh" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #21,077 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "arco" and "argh" also get mixed up with nearby pairs, the highest-scored neighbour is "algo vs arco". 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 #21,077 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