aspergillus

/ˌæspɚˈd͡ʒɪləs/

//ˌæspɚˈd͡ʒɪləs// noun

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

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

The verdict

“aspergillus” has 15 generated spelling variants in the English index at frequency #48,072. The variants make it a useful spelling check.

#48,072
frequency rank, English
3,931
“A” headwords
15
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of many molds, of the genus Aspergillus, many of which are pathogenic.

Corpus desk

Index EN-aspergillus · aspergillus · English

aspergillus · rank #48,072 · 15 variants · 0 confusables

  • FREQ-MID #48,072
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 15 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH asides

Nearest frequency peer: asides (-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 “aspergillus”

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

corpus weight

What this shows “aspergillus” 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 aspergillus
PropertyValue
Headwordaspergillus
LanguageEnglish
Part of speechNoun
IPA/ˌæspɚˈd͡ʒɪləs/
Letters11
Frequency rank#48,072
Misspellings tracked15
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “aspergillus”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).aspergilluslands 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 “asides” (#48,071), “assistive” (#48,073), “Ashburn” (#48,070). Among 3,931 “A” headwords, “aspergillus” is #48,072. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 15 spelling variants around aspergillus (IPA /ˌæspɚˈd͡ʒɪləs/), anoun. Corpus frequency is #48,072 among 3,931 “A” headwords. Dominant gloss: "Any of many molds, of the genus Aspergillus, many of which are pathogenic.".

Our generated misspelling index lists 15 likely wrong-spelling variants for aspergillus, with forms such as "apsergillus", "aseprgillus", and "aspegrillus". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From the genus name, translingual Aspergillus. The correct English form is aspergillus, spelled A-S-P-E-R-G-I-L-L-U-S.

Definition

  1. 1
    Any of many molds, of the genus Aspergillus, many of which are pathogenic.

Recorded use

Wiktionary example

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

  1. Aspergillus, named in the 18th century for its resemblance to a device used to sprinkle holy water [aspergillum], has brought humanity benefits as well as jeopardy. Some species have uses ranging from industrial chemistry to the fermentation of soy sauce and sake, but others are potentially hazardous to health.

Etymology

From the genus name, translingual Aspergillus.

This word in other languages

aspergille(Français)

Common misspellings

Also misspelled as:

  • apsergillus
  • aseprgillus
  • aspegrillus
  • asperggillus
  • aspergillsu
  • aspergilluss
  • aspergiluls
  • aspergilus
  • asperglilus
  • asperigllus
  • asperrgillus
  • asppergillus
  • aspregillus
  • asspergillus
  • sapergillus

Misspelling Pattern Breakdown

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

apsergillus2aseprgillus2aspegrillus2asperggillus1aspergillsu2aspergilluss1aspergiluls2aspergilus1
Edit distance from "aspergillus"

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 "aspergillus"?
"aspergillus" is spelled A-S-P-E-R-G-I-L-L-U-S. The IPA pronunciation is /ˌæspɚˈd͡ʒɪləs/.
What does "aspergillus" mean?
As a noun, "aspergillus" means: Any of many molds, of the genus Aspergillus, many of which are pathogenic.
What are common misspellings of "aspergillus"?
Common misspellings include "apsergillus", "aseprgillus", "aspegrillus", "asperggillus", "aspergillsu". The correct spelling is "aspergillus".
How do you pronounce "aspergillus"?
The IPA (International Phonetic Alphabet) transcription for "aspergillus" is /ˌæspɚˈd͡ʒɪləs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "aspergillus"?
From the genus name, translingual Aspergillus. 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 "aspergillus", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

caffeinated#48,112Whittington#48,015unprocessed#47,992uninhibited#47,988

Similar misspelling depth

Headwords with a similar count of attested misspellings (15 here; floor ≥5).

anthracite15 variantscaptioning15 variantscarcinogen15 variantsworkbench15 variants

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

Source: FrequencyWords open word-frequency list