Illinois

/ˌɪləˈnɔɪ/

//ˌɪləˈnɔɪ// name

"illinois" is a 8-letter English headword indexed on PlainSpell.

The verdict

“Illinois” has 9 generated spelling variants in the English index at frequency #3,370. The variants make it a useful spelling check.

#3,370
frequency rank, English
2,140
“I” headwords
9
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A state of the United States, named for the people.

Corpus desk

Index EN-illinois · Illinois · English

Illinois · rank #3,370 · 9 variants · 0 confusables

  • FREQ-COMMON #3,370
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-MID 9 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH ideal

Nearest frequency peer: ideal (-1 rank slots)

Read with this headword: Spelling guide for this pattern

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.

Rank peers near misspelling magnet “Illinois”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “Illinois” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for Illinois
PropertyValue
HeadwordIllinois
LanguageEnglish
Part of speechProper noun
IPA/ˌɪləˈnɔɪ/
Letters8
Frequency rank#3,370
Misspellings tracked9
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “Illinois”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).Illinoislands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “ideal” (#3,369), “horrible” (#3,368), “Islamic” (#3,372). Among 2,140 “I” headwords, “Illinois” is #3,370. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around Illinois (IPA /ˌɪləˈnɔɪ/), aproper noun. Corpus frequency is #3,370 among 2,140 “I” headwords. Wiktionary lists 11 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for Illinois, with forms such as "ililnois", "ilinois", and "illinios". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From French Illinois, an adaptation of an Algonquian (perhaps Ojibwe) name derived from Miami ilenweewa (“he speaks the regular way”). The correct English form is Illinois, spelled I-L-L-I-N-O-I-S.

Definition

  1. 1
    A state of the United States, named for the people.
  2. 2
    A confederation of Algonquian tribes who lived in the Mississippi River Valley.
  3. 3
    The Algonquian language spoken by these tribes; the Miami-Illinois language.
  4. 4
    A number of rivers in the United States:
  5. 5
    A number of rivers in the United States:
  6. 6
    A number of rivers in the United States:
  7. 7
    A number of rivers in the United States:
  8. 8
    A number of townships in the United States:
  9. 9
    A number of townships in the United States:
  10. 10
    A number of townships in the United States:
  11. 11
    Ellipsis of University of Illinois at Urbana–Champaign.

Recorded use

Wiktionary examples

These source excerpts show how Illinois appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Entire states such as California, Illinois and New York are now sanctuaries, as well as major cities and counties such as Fairfax, Montgomery and Prince George’s counties and the District of Columbia in the capital region, according to the list.
  2. On the invitation list: Govs. Andy Beshear of Kentucky, Tim Walz of Minnesota, J.B. Pritzker of Illinois, Gretchen Whitmer of Michigan, Tony Evers of Wisconsin, Josh Shapiro of Pennsylvania, Roy Cooper of North Carolina, Wes Moore of Maryland and Michelle Lujan Grisham of New Mexico.

Etymology

From French Illinois, an adaptation of an Algonquian (perhaps Ojibwe) name derived from Miami ilenweewa (“he speaks the regular way”).

This word in other languages

Common misspellings

Also misspelled as:

  • ililnois
  • ilinois
  • illinios
  • illinnois
  • illinoiss
  • illinosi
  • illionis
  • illniois
  • lilinois

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of Illinois - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ililnois2ilinois1illinios2illinnois1illinoiss1illinosi2illionis2illniois2
Edit distance from "Illinois"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Illinois"?
"Illinois" is spelled I-L-L-I-N-O-I-S. The IPA pronunciation is /ˌɪləˈnɔɪ/.
What does "Illinois" mean?
As a proper noun, "Illinois" means: A state of the United States, named for the people.
What are common misspellings of "Illinois"?
Common misspellings include "ililnois", "ilinois", "illinios", "illinnois", "illinoiss". The correct spelling is "Illinois".
How do you pronounce "Illinois"?
The IPA (International Phonetic Alphabet) transcription for "Illinois" is /ˌɪləˈnɔɪ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "Illinois"?
From French Illinois, an adaptation of an Algonquian (perhaps Ojibwe) name derived from Miami ilenweewa (“he speaks the regular way”). See the full etymology section above for more details.
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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "Illinois", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 8 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list