spillover
"spillover" is a 9-letter English headword indexed on PlainSpell.
The verdict
“spillover” is uncommon English (frequency #52,640 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.
- #52,640
- frequency rank, English
- 6,566
- “S” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - That which overflows; the excess or side effect.
Corpus desk
Index EN-spillover · spillover · English
spillover · rank #52,640 · 0 variants · 0 confusables
- FREQ-RARE #52,640
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 6,566
- PHOTO-FINISH sooty
Nearest frequency peer: sooty (-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.
Long-tail ranks near “spillover”
Sparse band: bars invert rank so rarer forms read shorter
- Soledad
Soledad
47,365 corpus weight
- Sookie
Sookie
47,363 corpus weight
- sooty
sooty
47,362 corpus weight
- spillover
spillover
47,361 corpus weight
- spunky
spunky
47,360 corpus weight
- squeaks
squeaks
47,358 corpus weight
What this shows Long-tail view: where “spillover” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | spillover |
| Language | English |
| Part of speech | Noun |
| Letters | 9 |
| Frequency rank | #52,640 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “spillover” in English
Rare enough to double-check
spillover is uncommon English at frequency #52,640 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
The misspelling generator found no plausible variants for spillover, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From spill + over. The correct English form is spillover, spelled S-P-I-L-L-O-V-E-R.
Definition
- 1That which overflows; the excess or side effect.
- 2The spread of infectious disease between different species of animal and particularly to humans.
Recorded use
Wiktionary examplesThese source excerpts show how spillover appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
The spillover from the dam due to the heavy rains will run down this channel and harmlessly dump into that river, we hope.
The spillover from this war will be many little massacres of civilians by civilians.
Etymology
From spill + over.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "spillover", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).