caliber

/ˈkæl.ɪ.bə(ɹ)/

//ˈkæl.ɪ.bə(ɹ)// noun

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

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

The verdict

“caliber” has 9 generated spelling variants in the English index at frequency #12,016. The variants make it a useful spelling check.

#12,016
frequency rank, English
43,570
“C” headwords
9
tracked misspellings
8
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Diameter of the bore of a firearm, typically measured between opposite lands.

Visual similarity to commonly confused words

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

caliber vs caller
71% similar
caliber vs calmer
71% similar
caliber vs camber
71% similar

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

Key facts for caliber
PropertyValue
Headwordcaliber
LanguageEnglish
Part of speechNoun
IPA/ˈkæl.ɪ.bə(ɹ)/
Letters7
Frequency rank#12,016
Misspellings tracked9
Confusable pairs8
SourceWiktionary (kaikki.org)

Where “caliber” 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). caliber lands here:

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

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

A misspelling magnet

The generator records 9 spelling variants around caliber (IPA /ˈkæl.ɪ.bə(ɹ)/), anoun. Corpus frequency is #12,016 among 43,570 “C” headwords. Wiktionary lists 8 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for caliber, with forms such as "acliber", "cailber", and "calbier". 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 8 confusable-pair relationships, "caller", "calmer", "camber", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From French calibre (“bore of a gun, size, capacity (literally, and figuratively), also weight”), from Italian calibro. The correct English form is caliber, spelled C-A-L-I-B-E-R.

Definition

  1. 1
    Diameter of the bore of a firearm, typically measured between opposite lands.
  2. 2
    The diameter of round or cylindrical body, as of a bullet, a projectile, or a column.
  3. 3
    A nominal name for a cartridge type, which may not exactly indicate its true size and may include other measurements such as cartridge length or black powder capacity. Eg 7.62×39 or 38.40.
  4. 4
    Unit of measure used to express the length of the bore of a weapon. The number of calibres is determined by dividing the length of the bore of the weapon, from the breech face of the tube to the muzzle, by the diameter of its bore. A gun tube the bore of which is 40 feet (480 inches) long and 12 inches in diameter is said to be 40 calibers long.
  5. 5
    Relative size, importance, magnitude.
  6. 6
    Capacity or compass of mind.
  7. 7
    Degree of importance or station in society.
  8. 8
    Movement of a timepiece.

Etymology

From French calibre (“bore of a gun, size, capacity (literally, and figuratively), also weight”), from Italian calibro.

This word in other languages

calibre(Español)calibre(Français)Kaliber(Deutsch)calibre(Português)

Common misspellings

Also misspelled as:

  • acliber
  • cailber
  • calbier
  • calibber
  • caliberr
  • caliebr
  • calliber
  • ccaliber
  • claiber

Misspelling Pattern Breakdown

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

acliber2cailber2calbier2calibber1caliberr1caliebr2calliber1ccaliber1
Edit distance from "caliber"

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 "caliber"?
"caliber" is spelled C-A-L-I-B-E-R. The IPA pronunciation is /ˈkæl.ɪ.bə(ɹ)/.
What does "caliber" mean?
As a noun, "caliber" means: Diameter of the bore of a firearm, typically measured between opposite lands.
What words are commonly confused with "caliber"?
"caliber" is commonly confused with "caller", "calmer", "camber". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "caliber"?
The IPA (International Phonetic Alphabet) transcription for "caliber" is /ˈkæl.ɪ.bə(ɹ)/. 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 "caliber"?
From French calibre (“bore of a gun, size, capacity (literally, and figuratively), also weight”), from Italian calibro. 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 “caliber”

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

  • The one correct English spelling is C-A-L-I-B-E-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkæl.ɪ.bə(ɹ)/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “caller” - see the side-by-side comparison. caliber vs caller
  • Browse more English words and confusable pairs in the same reference. English words

Same frequency band

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