cumulus

/ˈkjuː.mjə.ləs/

//ˈkjuː.mjə.ləs// noun

"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
5,599
“C” headwords
10
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A large white, puffy cloud that develops through convection.

Corpus desk

Index EN-cumulus · cumulus · English

cumulus · rank #48,689 · 10 variants · 0 confusables

  • FREQ-MID #48,689
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-MID 10 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH CSX

Nearest frequency peer: CSX (-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 “cumulus”

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

corpus weight

What this shows “cumulus” 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 cumulus
PropertyValue
Headwordcumulus
LanguageEnglish
Part of speechNoun
IPA/ˈkjuː.mjə.ləs/
Letters7
Frequency rank#48,689
Misspellings tracked10
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “cumulus”

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).cumuluslands 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 “CSX” (#48,688), “cytotoxic” (#48,690), “Daedalus” (#48,691). Among 5,599 “C” headwords, “cumulus” is #48,689. 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 5,599 “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.

Recorded use

Wiktionary examples

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

  1. In the sketch (which is taken about 75 Jovian days after that of the 2nd July) there is shown a dark copper-coloured streak along the southern margin of the south brown belt, butting on to a bluff-headed streak of cumulus cloud which may be the same remarkable bluff head noticed on July 2.
  2. There were some new cumuli in the east, out above the water, and they began to take the late afternoon sun.

Etymology

Borrowed from Latin cumulus. Doublet of comble.

This word in other languages

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.

Similar English words by spelling shape

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

Same letter count

Frequency-ranked English headwords with 7 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list