efflux
/ˈɛflʌks/
"efflux" is a 6-letter English headword indexed on PlainSpell.
The verdict
“efflux” is uncommon English (frequency #66,633 among 2,246 “E” headwords), classed as a noun. The kind of spelling people second-guess.
- #66,633
- frequency rank, English
- 2,246
- “E” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The process of flowing out.
Corpus desk
Index EN-efflux · efflux · English
efflux · rank #66,633 · 0 variants · 0 confusables
- FREQ-RARE #66,633
- LEN-LONG 6 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 2,246
- PHOTO-FINISH earful
Nearest frequency peer: earful (-2 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 “efflux”
Sparse band: bars invert rank so rarer forms read shorter
- dyad
dyad
33,372 corpus weight
- dystonia
dystonia
33,371 corpus weight
- earful
earful
33,370 corpus weight
- efflux
efflux
33,368 corpus weight
- embolden
embolden
33,365 corpus weight
- endeavoring
endeavoring
33,363 corpus weight
What this shows Long-tail view: where “efflux” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | efflux |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈɛflʌks/ |
| Letters | 6 |
| Frequency rank | #66,633 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “efflux” in English
Rare enough to double-check
efflux is uncommon English at frequency #66,633 among 2,246 “E” headwords, classed as anoun, transcribed /ˈɛflʌks/. Rarity is why readers land here mid-draft. 2 senses are on record.
We couldn't generate a plausible misspelling set for efflux, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From Latin effluxus, from effluō (“flow out or away”), from ex (“out of, from”) + fluō (“flow”). See also effluxion. The correct English form is efflux, spelled E-F-F-L-U-X.
Definition
- 1The process of flowing out.
- 2Something which has flowed out.
Recorded use
Wiktionary examplesThese source excerpts show how efflux appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
We all age through the efflux of time.
The efflux of matter from a boil can be painful.
Etymology
From Latin effluxus, from effluō (“flow out or away”), from ex (“out of, from”) + fluō (“flow”). See also effluxion.
Antonyms
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 "efflux", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 6 letters (nearest by frequency rank).