iris

/ˈaɪ.ɹɪs/

//ˈaɪ.ɹɪs// noun

"iris" is a 4-letter English headword indexed on PlainSpell.

The verdict

“iris” is a moderately-common English word, ranked #10,228 in English word frequency and used as a noun.

#10,228
frequency rank, English
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia).

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

iris vs is
50% similar
iris vs its
50% similar
iris vs IRS
0% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for iris
PropertyValue
Headwordiris
LanguageEnglish
Part of speechNoun
IPA/ˈaɪ.ɹɪs/
Letters4
Frequency rank#10,228
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “iris” sits in English frequency

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

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for iris is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈaɪ.ɹɪs/. Corpus data places it at rank #10,228 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 6 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 5 likely wrong-spelling variants for iris, with forms such as "iirs", "iriss", and "irris". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "is", "its", "IRS", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Etymology tree Latin eira Latin ira Latin irisbor. English iris From Middle English iris, from Latin īris, from Ancient Greek ἶρις (îris, “rainbow”). Presuming an earlier form *ϝῖρις (*wîris), possibly from a derivative of Proto-Indo-European *w(e)ih₁-ro- (… The correct English form is iris, spelled I-R-I-S.

Definition

  1. 1
    A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia).
  2. 2
    The contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye (See Iris (anatomy) on Wikipedia.Wikipedia).
  3. 3
    A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.
  4. 4
    A rainbow, or other colourful refraction of light.
  5. 5
    A constricted opening in the path inside a waveguide, used to form a resonator.
  6. 6
    The inner circle of an oscillated color spot.

Etymology

Etymology tree Latin eira Latin ira Latin irisbor. English iris From Middle English iris, from Latin īris, from Ancient Greek ἶρις (îris, “rainbow”). Presuming an earlier form *ϝῖρις (*wîris), possibly from a derivative of Proto-Indo-European *w(e)ih₁-ro- (“a twist, thread, cord, wire”), from *weh₁y- (“to turn, twist, weave, plait”). If so, it would be cognate to English wire.

This word in other languages

Common misspellings

Also misspelled as: iirs,iriss,irris,irsi,riis

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of iris - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

iirs2iriss1irris1irsi2riis2
Edit distance from "iris"

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 "iris"?
"iris" is spelled I-R-I-S. The IPA pronunciation is /ˈaɪ.ɹɪs/.
What does "iris" mean?
As a noun, "iris" means: A plant of the genus Iris, common in the northern hemisphere, and generally having attractive blooms (See Iris (plant) on Wikipedia.Wikipedia).
What words are commonly confused with "iris"?
"iris" is commonly confused with "is", "its", "IRS". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "iris"?
The IPA (International Phonetic Alphabet) transcription for "iris" is /ˈaɪ.ɹɪs/. 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 "iris"?
Etymology tree Latin eira Latin ira Latin irisbor. English iris From Middle English iris, from Latin īris, from Ancient Greek ἶρις (îris, “rainbow”). Presuming an earlier form *ϝῖρις (*wîris), possibly from a derivative of Proto-Indo-European *w(e... 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.

Using “iris”

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

  • The one correct English spelling is I-R-I-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈaɪ.ɹɪs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “is” - see the side-by-side comparison. iris vs is
  • Browse more English words and confusable pairs in the same reference. English 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