-illo

[ˈiʝo]

/[ˈiʝo]/ suffix

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“-illo” is uncommon Spanish (outside the top frequency list), classed as a suffix. The kind of spelling people second-guess.

Unranked
below top-frequency Spanish
5
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Forma casi siempre diminutivos, a menudo con matiz afectivo.

Corpus desk

Index ES-illo · -illo · Spanish

-illo · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "-" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for -illo
PropertyValue
Headword-illo
LanguageSpanish
Part of speechSuffix
IPA[ˈiʝo]
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “-illo” sits in Spanish frequency

-illo 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.

Rare enough to double-check

-illo is uncommon Spanish outside the top frequency list, classed as asuffix, transcribed [ˈiʝo]. Rarity is why readers land here mid-draft. Gloss: "Forma casi siempre diminutivos, a menudo con matiz afectivo.".

Our edit-distance generator produced no likely misspellings for -illo, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

No documented word history exists for this headword, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is -illo, spelled --I-L-L-O.

Definition

  1. 1
    Forma casi siempre diminutivos, a menudo con matiz afectivo.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "-illo"?
"-illo" is spelled --I-L-L-O. The IPA pronunciation is [ˈiʝo].
What does "-illo" mean?
As a suffix, "-illo" means: Forma casi siempre diminutivos, a menudo con matiz afectivo.
How do you pronounce "-illo"?
The IPA (International Phonetic Alphabet) transcription for "-illo" is [ˈiʝo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "-illo" come from?
"-illo" 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.
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