immunoglobulin

noun

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

The verdict

“immunoglobulin” has 19 generated spelling variants in the English index at frequency #44,266. The variants make it a useful spelling check.

#44,266
frequency rank, English
17,902
“I” headwords
19
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of the glycoproteins in blood serum that respond to invasion by foreign antigens and that protect the host by removing pathogens; an antibody.

Corpus desk

Index EN-immunoglobulin · immunoglobulin · English

immunoglobulin · rank #44,266 · 19 variants · 0 confusables

  • FREQ-MID #44,266
  • LEN-MEGA 14 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 19 variants
  • BOOK-DENSE 17,902
  • PHOTO-FINISH indented

Nearest frequency peer: indented (+3 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 “immunoglobulin”

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

corpus weight

What this shows Bars show where “immunoglobulin” 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 May 6, 2026
Key facts for immunoglobulin
PropertyValue
Headwordimmunoglobulin
LanguageEnglish
Part of speechNoun
Letters14
Frequency rank#44,266
Misspellings tracked19
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “immunoglobulin” 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). immunoglobulin 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 19 spelling variants around immunoglobulin, anoun. Corpus frequency is #44,266 among 17,902 “I” headwords. Dominant gloss: "Any of the glycoproteins in blood serum that respond to invasion by foreign antigens and that protect the host by removing pathogens; an antibody.".

Our generated misspelling index lists 19 likely wrong-spelling variants for immunoglobulin, with forms such as "immnuoglobulin", "immungolobulin", and "immunnoglobulin". 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 dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From immuno- + globulin. The correct English form is immunoglobulin, spelled I-M-M-U-N-O-G-L-O-B-U-L-I-N.

Definition

  1. 1
    Any of the glycoproteins in blood serum that respond to invasion by foreign antigens and that protect the host by removing pathogens; an antibody.

Etymology

From immuno- + globulin.

This word in other languages

Common misspellings

Also misspelled as:

  • immnuoglobulin
  • immungolobulin
  • immunnoglobulin
  • immunogglobulin
  • immunoglboulin
  • immunogllobulin
  • immunoglobbulin
  • immunoglobluin
  • immunoglobuiln
  • immunoglobulinn
  • immunoglobullin
  • immunoglobulni
  • immunogloublin
  • immunogolbulin
  • immunolgobulin
  • immuonglobulin
  • imumnoglobulin
  • imunoglobulin
  • mimunoglobulin

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of immunoglobulin - 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.

immnuoglobulin2immungolobulin2immunnoglobulin1immunogglobulin1immunoglboulin2immunogllobulin1immunoglobbulin1immunoglobluin2
Edit distance from "immunoglobulin"

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 May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "immunoglobulin"?
"immunoglobulin" is spelled I-M-M-U-N-O-G-L-O-B-U-L-I-N.
What does "immunoglobulin" mean?
As a noun, "immunoglobulin" means: Any of the glycoproteins in blood serum that respond to invasion by foreign antigens and that protect the host by removing pathogens; an antibody.
What are common misspellings of "immunoglobulin"?
Common misspellings include "immnuoglobulin", "immungolobulin", "immunnoglobulin", "immunogglobulin", "immunoglboulin". The correct spelling is "immunoglobulin".
What is the origin of the word "immunoglobulin"?
From immuno- + globulin. 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 "immunoglobulin", not the corpus desk frequency band.

Same letter count

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

Similar misspelling depth

Headwords with a similar count of attested misspellings (19 here; floor ≥5).

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