defibrillator

/diːˈfɪbɹɪleɪtə(ɹ)/

//diːˈfɪbɹɪleɪtə(ɹ)// noun

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

"defibrillator" is a 13-letter English headword indexed on PlainSpell.

The verdict

“defibrillator” has 18 generated spelling variants in the English index at frequency #43,598. The variants make it a useful spelling check.

#43,598
frequency rank, English
3,470
“D” headwords
18
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An electronic device used internally or externally that delivers a controlled electric shock to a patient to correct ventricular fibrillation, a lack of coordination of the contraction of muscle ti...

Corpus desk

Index EN-defibrillator · defibrillator · English

defibrillator · rank #43,598 · 18 variants · 0 confusables

  • FREQ-MID #43,598
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 18 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH deciphering

Nearest frequency peer: deciphering (-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 “defibrillator”

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

corpus weight

What this shows “defibrillator” 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
Key facts for defibrillator
PropertyValue
Headworddefibrillator
LanguageEnglish
Part of speechNoun
IPA/diːˈfɪbɹɪleɪtə(ɹ)/
Letters13
Frequency rank#43,598
Misspellings tracked18
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “defibrillator”

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).defibrillatorlands here:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Same rarity band neighbours include “deciphering” (#43,597), “desirability” (#43,600), “deuterium” (#43,601). Among 3,470 “D” headwords, “defibrillator” is #43,598. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around defibrillator (IPA /diːˈfɪbɹɪleɪtə(ɹ)/), anoun. Corpus frequency is #43,598 among 3,470 “D” headwords. Dominant gloss: "An electronic device used internally or externally that delivers a controlled electric shock to a patient to correct ventricular fibrillation, a lack of coordination of the contraction of muscle ti...".

Our generated misspelling index lists 18 likely wrong-spelling variants for defibrillator, with forms such as "ddefibrillator", "defbirillator", and "deffibrillator". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From defibrillate + -or. The correct English form is defibrillator, spelled D-E-F-I-B-R-I-L-L-A-T-O-R.

Definition

  1. 1
    An electronic device used internally or externally that delivers a controlled electric shock to a patient to correct ventricular fibrillation, a lack of coordination of the contraction of muscle tissue of the large chambers of the heart.

Recorded use

Wiktionary examples

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

  1. Two deaths have been linked to St. Jude Medical heart defibrillators with batteries that failed. […] Losing battery in a defibrillator could mean the failure of pacing heartbeats or delivering shocks, a potentially deadly consequence for cardiac patients.
  2. High intensity EMF can have adverse impacts on the operation of implantable medical devices (IMDs) such as pacemakers and defibrillators.

Etymology

From defibrillate + -or.

This word in other languages

desfibrilador(Español)défibrillateur(Français)Defibrillator(Deutsch)

Common misspellings

Also misspelled as:

  • ddefibrillator
  • defbirillator
  • deffibrillator
  • defibbrillator
  • defibirllator
  • defibrilaltor
  • defibrilator
  • defibrillaotr
  • defibrillatorr
  • defibrillatro
  • defibrillattor
  • defibrilltaor
  • defibrlilator
  • defibrrillator
  • defirbillator
  • deifbrillator
  • dfeibrillator
  • edfibrillator

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of defibrillator - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

ddefibrillator1defbirillator2deffibrillator1defibbrillator1defibirllator2defibrilaltor2defibrilator1defibrillaotr2
Edit distance from "defibrillator"

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 "defibrillator"?
"defibrillator" is spelled D-E-F-I-B-R-I-L-L-A-T-O-R. The IPA pronunciation is /diːˈfɪbɹɪleɪtə(ɹ)/.
What does "defibrillator" mean?
As a noun, "defibrillator" means: An electronic device used internally or externally that delivers a controlled electric shock to a patient to correct ventricular fibrillation, a lack of coordination of the contraction of muscle ti...
What are common misspellings of "defibrillator"?
Common misspellings include "ddefibrillator", "defbirillator", "deffibrillator", "defibbrillator", "defibirllator". The correct spelling is "defibrillator".
How do you pronounce "defibrillator"?
The IPA (International Phonetic Alphabet) transcription for "defibrillator" is /diːˈfɪbɹɪleɪtə(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 "defibrillator"?
From defibrillate + -or. 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 "defibrillator", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

disconnection#43,605counterweight#43,582combinatorial#43,573insensitivity#43,716

Similar misspelling depth

Headwords with a similar count of attested misspellings (18 here; floor ≥5).

desirability18 variantsconstitutive18 variantsundergrowth18 variantsShaftesbury18 variants

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

Source: FrequencyWords open word-frequency list