overflow

/ˈəʊvəˌfləʊ/

//ˈəʊvəˌfləʊ// noun

"overflow" is a 8-letter English headword indexed on PlainSpell.

The verdict

“overflow” is a moderately-common English word, ranked #17,436 in English word frequency and used as a noun.

#17,436
frequency rank, English
8
letters
12
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The spillage resultant from overflowing.

Visual similarity to commonly confused words

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

overflow vs overblown
78% similar

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

Key facts for overflow
PropertyValue
Headwordoverflow
LanguageEnglish
Part of speechNoun
IPA/ˈəʊvəˌfləʊ/
Letters8
Frequency rank#17,436
Misspellings tracked12
Confusable pairs1
SourceWiktionary (kaikki.org)

Where “overflow” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). overflow lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for overflow is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈəʊvəˌfləʊ/. Corpus data places it at rank #17,436 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 12 likely wrong-spelling variants for overflow, with forms such as "oevrflow", "ovefrlow", and "overfflow". 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 1 confusable-pair relationship, "overblown", 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 overflowen, from Old English oferflōwan, equivalent to over- + flow. The correct English form is overflow, spelled O-V-E-R-F-L-O-W.

Definition

  1. 1
    The spillage resultant from overflowing.
  2. 2
    An outlet for escape of excess material.
  3. 3
    Excess, superabundance
  4. 4
    The situation where a value exceeds the available numeric range.

Etymology

From Middle English overflowen, from Old English oferflōwan, equivalent to over- + flow.

This word in other languages

Common misspellings

Also misspelled as: oevrflow,ovefrlow,overfflow,overfllow,overfloww,overflwo,overfolw,overlfow,overrflow,ovreflow,ovverflow,voerflow

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of overflow - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

oevrflow2ovefrlow2overfflow1overfllow1overfloww1overflwo2overfolw2overlfow2
Edit distance from "overflow"

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 "overflow"?
"overflow" is spelled O-V-E-R-F-L-O-W. The IPA pronunciation is /ˈəʊvəˌfləʊ/.
What does "overflow" mean?
As a noun, "overflow" means: The spillage resultant from overflowing.
What words are commonly confused with "overflow"?
"overflow" is commonly confused with "overblown". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "overflow"?
The IPA (International Phonetic Alphabet) transcription for "overflow" is /ˈəʊvəˌfləʊ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "overflow"?
From Middle English overflowen, from Old English oferflōwan, equivalent to over- + flow. 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 “overflow”

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

  • The one correct English spelling is O-V-E-R-F-L-O-W - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈəʊvəˌfləʊ/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “overblown” - see the side-by-side comparison. overflow vs overblown
  • 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