zillion

/ˈzɪljən/

//ˈzɪljən// noun

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

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

The verdict

“zillion” has 8 generated spelling variants in the English index at frequency #45,757. The variants make it a useful spelling check.

#45,757
frequency rank, English
265
“Z” headwords
8
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An unspecified large number (of).

Corpus desk

Index EN-zillion · zillion · English

zillion · rank #45,757 · 8 variants · 0 confusables

  • FREQ-MID #45,757
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-MID 8 variants
  • BOOK-MID 265
  • PHOTO-FINISH Yannick

Nearest frequency peer: Yannick (-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 “zillion”

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

corpus weight

What this shows “zillion” 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 zillion
PropertyValue
Headwordzillion
LanguageEnglish
Part of speechNoun
IPA/ˈzɪljən/
Letters7
Frequency rank#45,757
Misspellings tracked8
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “zillion”

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).zillionlands 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 “Yannick” (#45,756), “zona” (#45,758), “wrest” (#45,755). Among 265 “Z” headwords, “zillion” is #45,757. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around zillion (IPA /ˈzɪljən/), anoun. Corpus frequency is #45,757 among 265 “Z” headwords. Dominant gloss: "An unspecified large number (of).".

Our generated misspelling index lists 8 likely wrong-spelling variants for zillion, with forms such as "izllion", "zililon", and "zilion". 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 confusable-pair dataset has no match for it, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: See -illion. An arbitrary coinage, appearing by 1916. The correct English form is zillion, spelled Z-I-L-L-I-O-N.

Definition

  1. 1
    An unspecified large number (of).

Recorded use

Wiktionary examples

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

  1. Low Man: 'Thanks again, Woody. I'll see you next time the world needs saving.' / Woody: 'Pfft, yeah. Only if we sell a zillion units!'
  2. "We are certainly not blaming lower socioeconomic families for not talking to their kids - there are probably a zillion reasons why that happens."

Etymology

See -illion. An arbitrary coinage, appearing by 1916.

Synonyms

babillionbajillionbazillionbillionbizilliondillionfafillionfucktilliongabilliongadzilliongagilliongajilliongatrilliongazilliongilliongodzilliongoogilliongorilliongrillionhojillionjajillionjazillionjillionkabillionkajillionkatrillionkazillionkillionlakhmajillionmillionmorbillionnonillionquadrillionquintillionSaganscrillionskillionsquilliontrillionumpteenumptillionwazillionzabillionzillionzilliard

This word in other languages

trouzillion(Français)zilhão(Português)

Common misspellings

Also misspelled as:

  • izllion
  • zililon
  • zilion
  • zillino
  • zillionn
  • zilloin
  • zlilion
  • zzillion

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of zillion - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

izllion2zililon2zilion1zillino2zillionn1zilloin2zlilion2zzillion1
Edit distance from "zillion"

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 "zillion"?
"zillion" is spelled Z-I-L-L-I-O-N. The IPA pronunciation is /ˈzɪljən/.
What does "zillion" mean?
As a noun, "zillion" means: An unspecified large number (of).
What are common misspellings of "zillion"?
Common misspellings include "izllion", "zililon", "zilion", "zillino", "zillionn". The correct spelling is "zillion".
How do you pronounce "zillion"?
The IPA (International Phonetic Alphabet) transcription for "zillion" is /ˈzɪljən/. 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 "zillion"?
See -illion. An arbitrary coinage, appearing by 1916. 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 "zillion", not the corpus desk frequency band.

Same letter count

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

Yannick#45,756Woolley#45,753Wingate#45,752wastage#45,741

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

wrest8 variantsalcove8 variantsUsenet8 variantsarcana8 variants

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

Source: FrequencyWords open word-frequency list