cumulus

/ˈkjuː.mjə.ləs/

//ˈkjuː.mjə.ləs// noun

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

"cumulus" is a 7-letter English headword indexed on PlainSpell.

The verdict

“cumulus” has 10 generated spelling variants in the English index at frequency #48,689. The variants make it a useful spelling check.

#48,689
frequency rank, English
43,570
“C” headwords
10
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A large white, puffy cloud that develops through convection.

Key facts for cumulus
PropertyValue
Headwordcumulus
LanguageEnglish
Part of speechNoun
IPA/ˈkjuː.mjə.ləs/
Letters7
Frequency rank#48,689
Misspellings tracked10
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “cumulus” 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). cumulus 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 10 spelling variants around cumulus (IPA /ˈkjuː.mjə.ləs/), anoun. Corpus frequency is #48,689 among 43,570 “C” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for cumulus, with forms such as "ccumulus", "cmuulus", and "cumluus". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Borrowed from Latin cumulus. Doublet of comble. The correct English form is cumulus, spelled C-U-M-U-L-U-S.

Definition

  1. 1
    A large white, puffy cloud that develops through convection.
  2. 2
    A mound or heap.

Etymology

Borrowed from Latin cumulus. Doublet of comble.

This word in other languages

cúmulo(Español)Quellwolke(Deutsch)cúmulo(Português)

Common misspellings

Also misspelled as:

  • ccumulus
  • cmuulus
  • cumluus
  • cummulus
  • cumullus
  • cumulsu
  • cumuluss
  • cumuuls
  • cuumlus
  • ucmulus

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of cumulus - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ccumulus1cmuulus2cumluus2cummulus1cumullus1cumulsu2cumuluss1cumuuls2
Edit distance from "cumulus"

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 "cumulus"?
"cumulus" is spelled C-U-M-U-L-U-S. The IPA pronunciation is /ˈkjuː.mjə.ləs/.
What does "cumulus" mean?
As a noun, "cumulus" means: A large white, puffy cloud that develops through convection.
What are common misspellings of "cumulus"?
Common misspellings include "ccumulus", "cmuulus", "cumluus", "cummulus", "cumullus". The correct spelling is "cumulus".
How do you pronounce "cumulus"?
The IPA (International Phonetic Alphabet) transcription for "cumulus" is /ˈkjuː.mjə.ləs/. 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 "cumulus"?
Borrowed from Latin cumulus. Doublet of comble. 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.

Using “cumulus”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-U-M-U-L-U-S - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkjuː.mjə.ləs/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

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 FrequencyWords open word-frequency list