boiler

/ˈbɔɪlə/

//ˈbɔɪlə// noun

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

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

The verdict

“boiler” has 8 generated spelling variants in the English index at frequency #10,992. The variants make it a useful spelling check.

#10,992
frequency rank, English
4,121
“B” headwords
8
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A person who boils something.

Corpus desk

Index EN-boiler · boiler · English

boiler · rank #10,992 · 8 variants · 20 confusables

  • FREQ-MID #10,992
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 8 variants
  • BOOK-MID 4,121
  • PHOTO-FINISH blogging

Nearest frequency peer: blogging (-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 “boiler”

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

corpus weight

What this shows “boiler” 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).

boiler vs boxer
67% similar
boiler vs Boyle
50% similar
boiler vs Boise
50% similar

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

Key facts for boiler
PropertyValue
Headwordboiler
LanguageEnglish
Part of speechNoun
IPA/ˈbɔɪlə/
Letters6
Frequency rank#10,992
Misspellings tracked8
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “boiler”

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).boilerlands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “blogging” (#10,991), “BON” (#10,993), “bingo” (#10,990). Among 4,121 “B” headwords, “boiler” is #10,992. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around boiler (IPA /ˈbɔɪlə/), anoun. Corpus frequency is #10,992 among 4,121 “B” headwords. Wiktionary lists 8 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for boiler, with forms such as "bboiler", "bioler", and "boielr". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "boxer", "Boyle", "Boise", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From boil + -er. The correct English form is boiler, spelled B-O-I-L-E-R.

Definition

  1. 1
    A person who boils something.
  2. 2
    A steam boiler.
  3. 3
    An apparatus for heating circulating water or other heat transferring liquid.
  4. 4
    A device consisting of a heat source and a tank for storing hot water, typically for space heating, domestic hot water etc., disregarding the source of heat.
  5. 5
    A kitchen vessel for steaming, boiling or heating food.
  6. 6
    A sunken reef, especially a coral reef, on which the sea breaks heavily.
  7. 7
    A tough old chicken only suitable for cooking by boiling.
  8. 8
    An old woman.

Etymology

From boil + -er.

This word in other languages

caldera(Español)chaudière(Français)Kessel(Deutsch)caldeira(Português)

Common misspellings

Also misspelled as:

  • bboiler
  • bioler
  • boielr
  • boilerr
  • boiller
  • boilre
  • bolier
  • obiler

Misspelling Pattern Breakdown

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

bboiler1bioler2boielr2boilerr1boiller1boilre2bolier2obiler2
Edit distance from "boiler"

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 "boiler"?
"boiler" is spelled B-O-I-L-E-R. The IPA pronunciation is /ˈbɔɪlə/.
What does "boiler" mean?
As a noun, "boiler" means: A person who boils something.
What words are commonly confused with "boiler"?
"boiler" is commonly confused with "boxer", "Boyle", "Boise". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "boiler"?
The IPA (International Phonetic Alphabet) transcription for "boiler" is /ˈbɔɪlə/. 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 "boiler"?
From boil + -er. 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 "boiler", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

barred#10,988badass#10,987convoy#11,006accuse#10,975

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

Brock8 variantsVanessa8 variantsthrill8 variantshooker8 variants

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

Source: FrequencyWords open word-frequency list