foam

/foʊm/

//foʊm// noun

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

"foam" is a 4-letter English headword indexed on PlainSpell.

The verdict

“foam” has 5 generated spelling variants in the English index at frequency #9,898. The variants make it a useful spelling check.

#9,898
frequency rank, English
2,507
“F” headwords
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A substance composed of a large collection of bubbles or their solidified remains, especially

Corpus desk

Index EN-foam · foam · English

foam · rank #9,898 · 5 variants · 20 confusables

  • FREQ-COMMON #9,898
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 5 variants
  • BOOK-MID 2,507
  • PHOTO-FINISH Flynn

Nearest frequency peer: Flynn (-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 “foam”

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

corpus weight

What this shows “foam” 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).

foam vs for
50% similar
foam vs fox
50% similar
foam vs fog
50% similar

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

Key facts for foam
PropertyValue
Headwordfoam
LanguageEnglish
Part of speechNoun
IPA/foʊm/
Letters4
Frequency rank#9,898
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “foam”

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).foamlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “Flynn” (#9,897), “folded” (#9,899), “floods” (#9,896). Among 2,507 “F” headwords, “foam” is #9,898. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 5 spelling variants around foam (IPA /foʊm/), anoun. Corpus frequency is #9,898 among 2,507 “F” headwords. Wiktionary lists 10 senses, so context still picks the gloss.

Our generated misspelling index lists 5 likely wrong-spelling variants for foam, with forms such as "faom", "ffoam", and "foamm". 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 20 confusable-pair relationships, "for", "fox", "fog", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English fom, foom, from Old English fām, from Proto-West Germanic *faim, from Proto-Germanic *faimaz, from Proto-Indo-European *(s)poHy-m-os, from *(s)poH(y)- (“foam”). Cognate with German Feim (“foam”), Latin spūma (“foam”), Latin pūmex (“pumic… The correct English form is foam, spelled F-O-A-M.

Definition

  1. 1
    A substance composed of a large collection of bubbles or their solidified remains, especially
  2. 2
    A substance composed of a large collection of bubbles or their solidified remains, especially:
  3. 3
    A substance composed of a large collection of bubbles or their solidified remains, especially:
  4. 4
    A substance composed of a large collection of bubbles or their solidified remains, especially:
  5. 5
    A substance composed of a large collection of bubbles or their solidified remains, especially:
  6. 6
    A substance composed of a large collection of bubbles or their solidified remains, especially:
  7. 7
    A material formed by trapping pockets of gas in a liquid or solid.
  8. 8
    The sea.
  9. 9
    Fury, rage, ire.
  10. 10
    Sneakers.

Recorded use

Wiktionary examples

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

  1. Similarly, the biotech giant Cargill has begun manufacturing a polymer from vegetable oils that is used in polyurethane foams, which is found in beddings, furniture and car-seat headrests.
  2. Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems—surgical foam, a thermal gel depot, a microcapsule or biodegradable polymer beads.

Etymology

From Middle English fom, foom, from Old English fām, from Proto-West Germanic *faim, from Proto-Germanic *faimaz, from Proto-Indo-European *(s)poHy-m-os, from *(s)poH(y)- (“foam”). Cognate with German Feim (“foam”), Latin spūma (“foam”), Latin pūmex (“pumice”), Sanskrit फेन (phéna, “foam”), possibly Northern Kurdish fê (“epilepsy”).

This word in other languages

espuma(Español)écume(Français)Schaum(Deutsch)

Common misspellings

Also misspelled as:

  • faom
  • ffoam
  • foamm
  • foma
  • ofam

Misspelling Pattern Breakdown

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

faom2ffoam1foamm1foma2ofam2
Edit distance from "foam"

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 "foam"?
"foam" is spelled F-O-A-M. The IPA pronunciation is /foʊm/.
What does "foam" mean?
As a noun, "foam" means: A substance composed of a large collection of bubbles or their solidified remains, especially
What words are commonly confused with "foam"?
"foam" is commonly confused with "for", "fox", "fog". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "foam"?
The IPA (International Phonetic Alphabet) transcription for "foam" is /foʊm/. 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 "foam"?
From Middle English fom, foom, from Old English fām, from Proto-West Germanic *faim, from Proto-Germanic *faimaz, from Proto-Indo-European *(s)poHy-m-os, from *(s)poH(y)- (“foam”). Cognate with German Feim (“foam”), Latin spūma (“foam”), Latin pūm... 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 "foam", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

Finn#9,895jade#9,909Jung#9,911kits#9,912

Similar misspelling depth

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

queue5 variantsSims5 variantsEvan5 variantsguts5 variants

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

Source: FrequencyWords open word-frequency list