interleukin

noun

"interleukin" is a 11-letter English headword indexed on PlainSpell.

The verdict

“interleukin” has 16 generated spelling variants in the English index at frequency #42,209. The variants make it a useful spelling check.

#42,209
frequency rank, English
17,902
“I” headwords
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of a group of cytokine proteins important in the regulation of lymphocyte function.

Key facts for interleukin
PropertyValue
Headwordinterleukin
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#42,209
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “interleukin” 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). interleukin lands here:

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

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

A misspelling magnet

The generator records 16 spelling variants around interleukin, anoun. Corpus frequency is #42,209 among 17,902 “I” headwords. Dominant gloss: "Any of a group of cytokine proteins important in the regulation of lymphocyte function.".

Our generated misspelling index lists 16 likely wrong-spelling variants for interleukin, with forms such as "inetrleukin", "innterleukin", and "intelreukin". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From inter- + leuko- + -in; *inter-: from Latin inter- (“between, amid”), a form of prepositional inter (“between”). *leuko: from Ancient Greek λευκός (leukós, “white”) *-in: from French -ine, from Latin -īna, feminine of -īnus "of" or "belonging to" The correct English form is interleukin, spelled I-N-T-E-R-L-E-U-K-I-N.

Definition

  1. 1
    Any of a group of cytokine proteins important in the regulation of lymphocyte function.

Etymology

From inter- + leuko- + -in; *inter-: from Latin inter- (“between, amid”), a form of prepositional inter (“between”). *leuko: from Ancient Greek λευκός (leukós, “white”) *-in: from French -ine, from Latin -īna, feminine of -īnus "of" or "belonging to"

Common misspellings

Also misspelled as:

  • inetrleukin
  • innterleukin
  • intelreukin
  • interelukin
  • interlekuin
  • interleuikn
  • interleukinn
  • interleukkin
  • interleukni
  • interlleukin
  • interluekin
  • interrleukin
  • intreleukin
  • intterleukin
  • itnerleukin
  • niterleukin

Misspelling Pattern Breakdown

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

inetrleukin2innterleukin1intelreukin2interelukin2interlekuin2interleuikn2interleukinn1interleukkin1
Edit distance from "interleukin"

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 "interleukin"?
"interleukin" is spelled I-N-T-E-R-L-E-U-K-I-N.
What does "interleukin" mean?
As a noun, "interleukin" means: Any of a group of cytokine proteins important in the regulation of lymphocyte function.
What are common misspellings of "interleukin"?
Common misspellings include "inetrleukin", "innterleukin", "intelreukin", "interelukin", "interlekuin". The correct spelling is "interleukin".
What is the origin of the word "interleukin"?
From inter- + leuko- + -in; *inter-: from Latin inter- (“between, amid”), a form of prepositional inter (“between”). *leuko: from Ancient Greek λευκός (leukós, “white”) *-in: from French -ine, from Latin -īna, feminine of -īnus "of" or "belonging to" 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 “interleukin”

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

  • The one correct English spelling is I-N-T-E-R-L-E-U-K-I-N - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

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