diastolic

/daɪəˈstɒlɪk/

//daɪəˈstɒlɪk// adj

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

"diastolic" is a 9-letter English headword indexed on PlainSpell.

The verdict

“diastolic” is uncommon English (frequency #56,065 among 3,470 “D” headwords), classed as an adjective. The kind of spelling people second-guess.

#56,065
frequency rank, English
3,470
“D” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Pertaining to a diastole.

Corpus desk

Index EN-diastolic · diastolic · English

diastolic · rank #56,065 · 0 variants · 0 confusables

  • FREQ-RARE #56,065
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH dictum

Nearest frequency peer: dictum (+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.

Long-tail ranks near “diastolic”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “diastolic” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for diastolic
PropertyValue
Headworddiastolic
LanguageEnglish
Part of speechAdjective
IPA/daɪəˈstɒlɪk/
Letters9
Frequency rank#56,065
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “diastolic” in English

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).diastolicfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “dictum” (#56,066), “deviance” (#56,063), “dier” (#56,067). Among 3,470 “D” headwords, “diastolic” is #56,065. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

diastolic is uncommon English at frequency #56,065 among 3,470 “D” headwords, classed as anadjective, transcribed /daɪəˈstɒlɪk/. Rarity is why readers land here mid-draft. Gloss: "Pertaining to a diastole.".

Our edit-distance generator produced no likely misspellings for diastolic, since its letter sequence doesn't invite the usual edit-distance slips. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From diastole + -ic. The correct English form is diastolic, spelled D-I-A-S-T-O-L-I-C.

Definition

  1. 1
    Pertaining to a diastole.

Etymology

From diastole + -ic.

This word in other languages

diastólico(Español)diastolique(Français)

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 "diastolic"?
"diastolic" is spelled D-I-A-S-T-O-L-I-C. The IPA pronunciation is /daɪəˈstɒlɪk/.
What does "diastolic" mean?
As an adjective, "diastolic" means: Pertaining to a diastole.
How do you pronounce "diastolic"?
The IPA (International Phonetic Alphabet) transcription for "diastolic" is /daɪəˈstɒlɪk/. 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 "diastolic"?
From diastole + -ic. 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 "diastolic", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

Danielson#56,042ensconced#56,093crosstown#56,036contusion#56,025

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

Source: FrequencyWords open word-frequency list