índicevsindicesTell them apart

Quick tell: índice is a noun, indices is a verb, so they fill different roles in a sentence.

Which to use

“índice” is a noun and “indices” is a verb - they look or sound alike but fill different roles in a sentence.

#2,915
“índice” frequency rank
#35,562
“indices” frequency rank
38477
confusion score

Side-by-Side Comparison

Feature índice indices
Definition Dedo índice. Segunda persona del singular (tú) del presente de subjuntivo de indizar.

Where the eye mixes índice and indices

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. índice runs 6 letters (VCCVCV) against indices's 7 (VCCVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
índice
7 ch
indices

Visual trap between índice and indices

These two trip readers on the page rather than in the ear: índice is [ˈĩn̪d̪ise] while indices is [ĩn̪ˈd̪ises]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 38477, derived from the frequency rank of both members and their visual similarity.

índice is recorded at frequency rank #2,915, classified as anoun, pronounced [ˈĩn̪d̪ise]. indices is at rank #35,562, tagged as averb, pronounced [ĩn̪ˈd̪ises].

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 38477, this pair ranks #169,803 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of índice vs indices

Shared letters: cdein. Private to "índice": í. Private to "indices": s.

"índice" · 6 letters · shape VCCVCV  ·  "indices" · 7 letters · shape VCCVCVC

Known mistypes of this pair

  • indices ← idnices · indcies · inddices · indicces · indicess · indicse · indiecs · indises

Frequently Asked Questions

Is swapping "índice" for "indices" ever safe?
No - they are not even the same part of speech. "índice" is a noun and "indices" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "índice" or "indices"?
"índice" is the more common of the two: it sits at frequency rank #2,915 in our Spanish list, against #35,562 for "indices". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "índice" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "indices" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #169,803 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "índice" and "indices" also get mixed up with nearby pairs, the highest-scored neighbour is "indices vs inducen". 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 #169,803 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