tachycardia

/ˌtæk.ɪˈkɑː.di.ə/

//ˌtæk.ɪˈkɑː.di.ə// noun

"tachycardia" is a 11-letter English headword indexed on PlainSpell.

The verdict

“tachycardia” has 17 generated spelling variants in the English index at frequency #47,949. The variants make it a useful spelling check.

#47,949
frequency rank, English
3,151
“T” headwords
17
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A rapid resting heart rate, especially one above 100 beats per minute; palpitations.

Corpus desk

Index EN-tachycardia · tachycardia · English

tachycardia · rank #47,949 · 17 variants · 0 confusables

  • FREQ-MID #47,949
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 17 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH synchro

Nearest frequency peer: synchro (-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 “tachycardia”

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

corpus weight

What this shows “tachycardia” 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 tachycardia
PropertyValue
Headwordtachycardia
LanguageEnglish
Part of speechNoun
IPA/ˌtæk.ɪˈkɑː.di.ə/
Letters11
Frequency rank#47,949
Misspellings tracked17
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “tachycardia”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).tachycardialands 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 “synchro” (#47,948), “tactful” (#47,950), “TAFE” (#47,951). Among 3,151 “T” headwords, “tachycardia” is #47,949. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 17 spelling variants around tachycardia (IPA /ˌtæk.ɪˈkɑː.di.ə/), anoun. Corpus frequency is #47,949 among 3,151 “T” headwords. Dominant gloss: "A rapid resting heart rate, especially one above 100 beats per minute; palpitations.".

Our generated misspelling index lists 17 likely wrong-spelling variants for tachycardia, with forms such as "atchycardia", "tacchycardia", and "tachcyardia". 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. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Learned borrowing from New Latin tachycardia, from Ancient Greek ταχύς (takhús, “swift”) + καρδία (kardía, “heart”). By surface analysis, tachy- + -cardia. Compare French tachycardie. The correct English form is tachycardia, spelled T-A-C-H-Y-C-A-R-D-I-A.

Definition

  1. 1
    A rapid resting heart rate, especially one above 100 beats per minute; palpitations.

Recorded use

Wiktionary examples

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

  1. The heart becomes irritable, there is nervous palpitation, or attacks of paroxysmal tachycardia.
  2. Tachycardias of all types reduce the cardiac output if the rate is high enough. […] The main difference between the tachycardias as regards the reduction of cardiac output is the rate at which they cause a significant reduction of cardiac output, and this depends on the type of tachycardia.

Etymology

Learned borrowing from New Latin tachycardia, from Ancient Greek ταχύς (takhús, “swift”) + καρδία (kardía, “heart”). By surface analysis, tachy- + -cardia. Compare French tachycardie.

This word in other languages

Common misspellings

Also misspelled as:

  • atchycardia
  • tacchycardia
  • tachcyardia
  • tachhycardia
  • tachyacrdia
  • tachycadria
  • tachycardai
  • tachycarddia
  • tachycarida
  • tachycarrdia
  • tachyccardia
  • tachycradia
  • tachyycardia
  • tacyhcardia
  • tahcycardia
  • tcahycardia
  • ttachycardia

Misspelling Pattern Breakdown

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

atchycardia2tacchycardia1tachcyardia2tachhycardia1tachyacrdia2tachycadria2tachycardai2tachycarddia1
Edit distance from "tachycardia"

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 "tachycardia"?
"tachycardia" is spelled T-A-C-H-Y-C-A-R-D-I-A. The IPA pronunciation is /ˌtæk.ɪˈkɑː.di.ə/.
What does "tachycardia" mean?
As a noun, "tachycardia" means: A rapid resting heart rate, especially one above 100 beats per minute; palpitations.
What are common misspellings of "tachycardia"?
Common misspellings include "atchycardia", "tacchycardia", "tachcyardia", "tachhycardia", "tachyacrdia". The correct spelling is "tachycardia".
How do you pronounce "tachycardia"?
The IPA (International Phonetic Alphabet) transcription for "tachycardia" is /ˌtæk.ɪˈkɑː.di.ə/. 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 "tachycardia"?
Learned borrowing from New Latin tachycardia, from Ancient Greek ταχύς (takhús, “swift”) + καρδία (kardía, “heart”). By surface analysis, tachy- + -cardia. Compare French tachycardie. 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 "tachycardia", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (17 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list