outflow

noun

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

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

The verdict

“outflow” has 10 generated spelling variants in the English index at frequency #28,655. The variants make it a useful spelling check.

#28,655
frequency rank, English
1,431
“O” headwords
10
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The process of flowing out.

Corpus desk

Index EN-outflow · outflow · English

outflow · rank #28,655 · 10 variants · 2 confusables

  • FREQ-MID #28,655
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-LOW 2 pairs
  • VAR-MID 10 variants
  • BOOK-MID 1,431
  • PHOTO-FINISH outfielder

Nearest frequency peer: outfielder (-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 “outflow”

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

corpus weight

What this shows “outflow” 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

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

outflow vs outlaw
71% similar
outflow vs outgrow
71% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for outflow
PropertyValue
Headwordoutflow
LanguageEnglish
Part of speechNoun
Letters7
Frequency rank#28,655
Misspellings tracked10
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “outflow”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).outflowlands 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 “outfielder” (#28,654), “outperform” (#28,656), “orc” (#28,653). Among 1,431 “O” headwords, “outflow” is #28,655. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around outflow, anoun. Corpus frequency is #28,655 among 1,431 “O” headwords. Wiktionary lists 6 senses, so context still picks the gloss.

Our generated misspelling index lists 10 likely wrong-spelling variants for outflow, with forms such as "otuflow", "ouftlow", and "outfflow". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 2 confusable-pair relationships, "outlaw", "outgrow", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From Middle English outflowen, from late Old English ūtflōwan (attested in the past tense as ūt flēow), equivalent to out- + flow. The noun is derived from the verb. The correct English form is outflow, spelled O-U-T-F-L-O-W.

Definition

  1. 1
    The process of flowing out.
  2. 2
    A fluid that flows out.
  3. 3
    Any outward movement.
  4. 4
    A stream of gaseous material emanating from an active galactic nucleus.
  5. 5
    The part of a system that allows material to flow out.
  6. 6
    Something that flows out of a sewage treatment plant.

Recorded use

Wiktionary example

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

  1. Borg’s home, which he built with his wife and two sons among tall conifers 33 years ago, overlooks the Nipigon River, an outflow from the lake of the same name.

Etymology

From Middle English outflowen, from late Old English ūtflōwan (attested in the past tense as ūt flēow), equivalent to out- + flow. The noun is derived from the verb.

Synonyms

effluenceeffluxeffluxion

This word in other languages

sortie(Français)Abfluss(Deutsch)saída(Português)

Common misspellings

Also misspelled as:

  • otuflow
  • ouftlow
  • outfflow
  • outfllow
  • outfloww
  • outflwo
  • outfolw
  • outlfow
  • outtflow
  • uotflow

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of outflow - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

otuflow2ouftlow2outfflow1outfllow1outfloww1outflwo2outfolw2outlfow2
Edit distance from "outflow"

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 "outflow"?
"outflow" is spelled O-U-T-F-L-O-W.
What does "outflow" mean?
As a noun, "outflow" means: The process of flowing out.
What words are commonly confused with "outflow"?
"outflow" is commonly confused with "outlaw", "outgrow". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
What is the origin of the word "outflow"?
From Middle English outflowen, from late Old English ūtflōwan (attested in the past tense as ūt flēow), equivalent to out- + flow. The noun is derived from the verb. 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 "outflow", not the corpus desk frequency band.

Same letter count

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

O'Keefe#28,646Paulson#28,664numeric#28,644Newbury#28,640

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

puritan10 variantsMayfair10 variantslooping10 variantsschism10 variants

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

Source: FrequencyWords open word-frequency list