illavsincaWhich spelling fits?

Which to use

“illa” and “inca” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#41,407
“illa” frequency rank
#11,066
“inca” frequency rank
52473
confusion score

Side-by-Side Comparison

Feature illa inca
Definition Isla. Monarca o jefe supremo, considerado hijo del Sol, que gobernaba un vasto imperio precolombino en América del Sur, con capital en el Cuzco. El lenguaje simbólico con que el Inca se dirigía a las masas poseía implicancias mesiánicas vinculadas al mito de Inkarrí, gracias al cual no se mostraba solamente como rey y soberano legítimo, sino también como redentor, restaurador del mundo y salvador de los indígenas.

Where the eye mixes illa and inca

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
illa
4 ch
inca

Look-alike desk: illa vs inca

A purely visual mix-up. illa ([ˈi.ʎə]) and inca ([ˈĩŋka]) 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 52473, derived from the frequency rank of both members and their visual similarity.

illa is recorded at frequency rank #41,407, classified as anoun, pronounced [ˈi.ʎə]. inca is at rank #11,066, tagged as anoun, pronounced [ˈĩŋka].

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 52473, this pair ranks #92,515 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of illa vs inca

Shared letters: ai. Private to "illa": l. Private to "inca": cn.

"illa" · 4 letters · shape VCCV  ·  "inca" · 4 letters · shape VCCV

Known mistypes of this pair

  • illaila · ilal
  • incaicna · inac · incca · innca

Frequently Asked Questions

Can "illa" and "inca" be used interchangeably?
No. They are said differently ([ˈi.ʎə] versus [ˈĩŋka]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "illa" or "inca"?
"inca" is the more common of the two: it sits at frequency rank #11,066 in our Spanish list, against #41,407 for "illa". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "illa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "inca" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #92,515 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "illa" and "inca" also get mixed up with nearby pairs, the highest-scored neighbour is "illa vs iza". 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 #92,515 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list