IgM

[…]

/[…]/ abbrev

The verdict

“IgM” is uncommon German (frequency #60,687 among 1,488 “I” headwords), classed as an abbreviation. The kind of spelling people second-guess.

#60,687
frequency rank, German
1,488
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Immunglobulin M, Typ von Antikörper (zur Abwehr von Krankheitserregern), der im Blut nachgewiesen werden kann

Corpus desk

Index DE-igm · IgM · German

IgM · rank #60,687 · 0 variants · 0 confusables

  • FREQ-RARE #60,687
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,488
  • PHOTO-FINISH identifiziere

Nearest frequency peer: identifiziere (-1 rank slots)

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.

Langschwanz-Ränge nahe „IgM“

Dünnes Band: Balken invertieren den Rang, seltenere Formen wirken kürzer

corpus weight

What this shows Langschwanz-Sicht: wo „IgM“ gegen ähnlich seltene deutsche Ränge sitzt.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for IgM
PropertyValue
HeadwordIgM
LanguageGerman
Part of speechAbbreviation
IPA[…]
Letters3
Frequency rank#60,687
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Langschwanz-Rang von „IgM“ im Deutschen

Die Häufigkeit läuft von den wenigen Alltagswörtern (links) bis zur langen, seltenen Schwanzseite (rechts).IgMfällt in diesen Seltenheitsbereich:

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

Die Ticks laufen logarithmisch; jeder ist rund zehnmal seltener. Seltene Nachbarn derselben Bandbreite: „identifiziere“ (#60,686), „Immobilienfonds“ (#60,688), „ideellen“ (#60,685). Unter 1,488 „I“-Lemmata liegt „IgM“ bei #60,687. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

IgM is uncommon German at frequency #60,687 among 1,488 “I” headwords, classed as anabbreviation, transcribed […]. Rarity is why readers land here mid-draft. Gloss: "Immunglobulin M, Typ von Antikörper (zur Abwehr von Krankheitserregern), der im Blut nachgewiesen werden kann".

We couldn't generate a plausible misspelling set for IgM, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

No borrowing history is documented for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct German form is IgM, spelled I-G-M.

Definition

  1. 1
    Immunglobulin M, Typ von Antikörper (zur Abwehr von Krankheitserregern), der im Blut nachgewiesen werden kann

Recorded use

Wiktionary examples

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

  1. „Sie sprechen immer wieder von ‚IgG‘ und ‚IgM‘, das sind verschiedene Formen von Antikörpern. Die IgG-Antikörper sind aber wichtiger, für den Nachweis der Immunität, richtig?“
  2. „Der Chef vom Robert Koch-Institut (RKI), Lothar Wieler, hat daher zu hohe Erwartungen an den neuen Test gedämpft. Unter anderem auch, weil er nicht zwischen den verschiedenen Immunglobulinen IgM, IgG und IgA unterscheidet, die sich als Reaktion auf eine Infektion bilden. „Wir wissen noch nicht, welche Antikörper wir messen müssen, um zu sagen, ob jemand…

Antonyms

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 German corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "IgM"?
"IgM" is spelled I-G-M. The IPA pronunciation is […].
What does "IgM" mean?
As an abbreviation, "IgM" means: Immunglobulin M, Typ von Antikörper (zur Abwehr von Krankheitserregern), der im Blut nachgewiesen werden kann
How do you pronounce "IgM"?
The IPA (International Phonetic Alphabet) transcription for "IgM" is […]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "IgM" come from?
"IgM" is a German word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 German words by spelling shape

Same letter count and similar misspelling depth for "IgM", not the corpus desk frequency band.

Same letter count

Frequency-ranked German headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list