immunization

noun

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

"immunization" is a 12-letter English headword indexed on PlainSpell.

The verdict

“immunization” has 16 generated spelling variants in the English index at frequency #28,588. The variants make it a useful spelling check.

#28,588
frequency rank, English
2,140
“I” headwords
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The process by which a person is safely exposed in a controlled manner to a material that is designed to prime their immune system against that material.

Corpus desk

Index EN-immunization · immunization · English

immunization · rank #28,588 · 16 variants · 0 confusables

  • FREQ-MID #28,588
  • LEN-MEGA 12 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH ills

Nearest frequency peer: ills (-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 “immunization”

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

corpus weight

What this shows “immunization” 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 immunization
PropertyValue
Headwordimmunization
LanguageEnglish
Part of speechNoun
Letters12
Frequency rank#28,588
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “immunization”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).immunizationlands 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 “ills” (#28,587), “implantation” (#28,589), “Huxley” (#28,585). Among 2,140 “I” headwords, “immunization” is #28,588. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around immunization, anoun. Corpus frequency is #28,588 among 2,140 “I” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for immunization, with forms such as "immnuization", "immuinzation", and "immuniaztion". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This headword has no recorded confusable partner, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From French immunisation. Coined by Albert Calmette. Equivalent to immunize + -ation or immune + -ization. The correct English form is immunization, spelled I-M-M-U-N-I-Z-A-T-I-O-N.

Definition

  1. 1
    The process by which a person is safely exposed in a controlled manner to a material that is designed to prime their immune system against that material.
  2. 2
    One such exposure.
  3. 3
    The process by which any organism's body develops immunity against a pathogen.

Recorded use

Wiktionary examples

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

  1. Near-synonym: vaccination (broadly synonymous)
  2. Immunization against influenza is important for all child-care workers.

Etymology

From French immunisation. Coined by Albert Calmette. Equivalent to immunize + -ation or immune + -ization.

This word in other languages

inmunización(Español)immunisation(Français)

Common misspellings

Also misspelled as:

  • immnuization
  • immuinzation
  • immuniaztion
  • immunizaiton
  • immunizasion
  • immunizatino
  • immunizationn
  • immunizatoin
  • immunizattion
  • immuniztaion
  • immunizzation
  • immunnization
  • immunziation
  • imumnization
  • imunization
  • mimunization

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of immunization - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

immnuization2immuinzation2immuniaztion2immunizaiton2immunizasion1immunizatino2immunizationn1immunizatoin2
Edit distance from "immunization"

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 "immunization"?
"immunization" is spelled I-M-M-U-N-I-Z-A-T-I-O-N.
What does "immunization" mean?
As a noun, "immunization" means: The process by which a person is safely exposed in a controlled manner to a material that is designed to prime their immune system against that material.
What are common misspellings of "immunization"?
Common misspellings include "immnuization", "immuinzation", "immuniaztion", "immunizaiton", "immunizasion". The correct spelling is "immunization".
What is the origin of the word "immunization"?
From French immunisation. Coined by Albert Calmette. Equivalent to immunize + -ation or immune + -ization. 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 "immunization", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

implantation#28,589inexplicably#28,594intermission#28,598distillation#28,520

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

Pleistocene16 variantsprincipled16 variantssharpening16 variantstranquility16 variants

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

Source: FrequencyWords open word-frequency list