immunogenicity

noun

"immunogenicity" is a 14-letter English headword indexed on PlainSpell.

The verdict

“immunogenicity” is uncommon English (frequency #93,825 among 2,140 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#93,825
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The ability of a particular substance to provoke an immune response.

Corpus desk

Index EN-immunogenicity · immunogenicity · English

immunogenicity · rank #93,825 · 0 variants · 0 confusables

  • FREQ-RARE #93,825
  • LEN-MEGA 14 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH immunoassay

Nearest frequency peer: immunoassay (-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.

Frequency neighbourhood for “immunogenicity”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “immunogenicity” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for immunogenicity
PropertyValue
Headwordimmunogenicity
LanguageEnglish
Part of speechNoun
Letters14
Frequency rank#93,825
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “immunogenicity” 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). immunogenicity lands here:

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

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

Rare enough to double-check

immunogenicity is uncommon English at frequency #93,825 among 2,140 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "The ability of a particular substance to provoke an immune response.".

immunogenicity has no tracked misspelling variants, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From immunogenic + -ity. The correct English form is immunogenicity, spelled I-M-M-U-N-O-G-E-N-I-C-I-T-Y.

Definition

  1. 1
    The ability of a particular substance to provoke an immune response.

Recorded use

Wiktionary examples

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

  1. One of the first examples of the immunogenicity of recombinantly derived antibodies was with murine anti-CD3 monoclonal antibody (OKT3) used in the induction of immunosupression after organ transplantation.
  2. Drug-Interactions: Several anti-malaria drugs, such as mefloquine, chloroquine and proguanil (not approved for use in US) possess antibacterial activity which may interfere with the immunogenicity of Vivotif.

Etymology

From immunogenic + -ity.

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.

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 September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "immunogenicity"?
"immunogenicity" is spelled I-M-M-U-N-O-G-E-N-I-C-I-T-Y.
What does "immunogenicity" mean?
As a noun, "immunogenicity" means: The ability of a particular substance to provoke an immune response.
What is the origin of the word "immunogenicity"?
From immunogenic + -ity. 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 "immunogenicity", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

What to do next

You've looked up "immunogenicity". Here's where to go from here.

  • Usage frequency rank #93,825 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "I" letter cohort. I–Z browse
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PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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