arco iris

[ˈaɾko ˈiɾis]

/[ˈaɾko ˈiɾis]/ phrase

The verdict

“arco iris” is outside the top-ranked Spanish vocabulary, used as a phrase - the kind of word writers most often double-check.

Unranked
below top-frequency Spanish
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Grafía alternativa de arcoíris.

Key facts for arco iris
PropertyValue
Headwordarco iris
LanguageSpanish
Part of speechPhrase
IPA[ˈaɾko ˈiɾis]
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “arco iris” sits in Spanish frequency

arco iris falls outside the top-100,000 ranked Spanish words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The Spanish entry for arco iris is 9 letters long, classified as a phrase, and transcribed in the International Phonetic Alphabet as [ˈaɾko ˈiɾis]. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Grafía alternativa de arcoíris.".

No generated misspelling entries exist for arco iris in our index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

This headword's origin isn't recorded in our source data, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Spanish form is arco iris, spelled A-R-C-O- -I-R-I-S.

Definition

  1. 1
    Grafía alternativa de arcoíris.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "arco iris"?
"arco iris" is spelled A-R-C-O- -I-R-I-S. The IPA pronunciation is [ˈaɾko ˈiɾis].
What does "arco iris" mean?
As a phrase, "arco iris" means: Grafía alternativa de arcoíris.
How do you pronounce "arco iris"?
The IPA (International Phonetic Alphabet) transcription for "arco iris" is [ˈaɾko ˈiɾis]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "arco iris" come from?
"arco iris" is a Spanish word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “arco iris”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is A-R-C-O- -I-R-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈaɾko ˈiɾis] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more Spanish words and confusable pairs in the same reference. Spanish words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list