afflux

noun

"afflux" is a 6-letter English headword indexed on PlainSpell.

The verdict

“afflux” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An upward rush of fluid.

Key facts for afflux
PropertyValue
Headwordafflux
LanguageEnglish
Part of speechNoun
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “afflux” sits in English frequency

afflux falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

afflux is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

Zero misspellings are on record for afflux in our index, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Latin affluĕre, affluxum. See affluent. The correct English form is afflux, spelled A-F-F-L-U-X.

Definition

  1. 1
    An upward rush of fluid.
  2. 2
    The rise in water level (above normal) on the upstream side of a bridge or obstruction caused when the effective flow area at the obstruction is less than the natural width of the stream immediately upstream of the obstruction.

Etymology

From Latin affluĕre, affluxum. See affluent.

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.

Frequently Asked Questions

How do you spell "afflux"?
"afflux" is spelled A-F-F-L-U-X.
What does "afflux" mean?
As a noun, "afflux" means: An upward rush of fluid.
What is the origin of the word "afflux"?
From Latin affluĕre, affluxum. See affluent. 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.

Using “afflux”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is A-F-F-L-U-X - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list