katrillion
"katrillion" is a 10-letter English headword indexed on PlainSpell.
The verdict
“katrillion” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An unspecified large number (of).
Corpus desk
Index EN-katrillion · katrillion · English
katrillion · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "K" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | katrillion |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “katrillion” in English
Rare enough to double-check
katrillion is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An unspecified large number (of).".
katrillion doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From trillion. The correct English form is katrillion, spelled K-A-T-R-I-L-L-I-O-N.
Definition
- 1An unspecified large number (of).
Recorded use
Wiktionary examplesThese source excerpts show how katrillion appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Our own American culture also makes a lot of noise about hair. The katrillion-dollar industry thrives on selling hair products that were produced for five cents and sold for thirty dollars, part of which goes to the zillion-dollar advertising campaigns.
I implore you to seek the advice of running or medical professionals before making any major decisions. I'm not just saying this to avoid a lawsuit; I am saying it because there are a katrillion different injuries one can sustain while repeatedly pounding her body against hard surfaces like asphalt and park benches.
Etymology
From trillion.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.