heresy

/ˈhɛɹəsi/

//ˈhɛɹəsi// noun

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

The verdict

“heresy” has 9 generated spelling variants in the English index at frequency #18,334. The variants make it a useful spelling check.

#18,334
frequency rank, English
2,646
“H” headwords
9
tracked misspellings
12
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A doctrine held by a member of a religion at variance or conflict with established religious beliefs.

Corpus desk

Index EN-heresy · heresy · English

heresy · rank #18,334 · 9 variants · 12 confusables

  • FREQ-MID #18,334
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-MID 12 pairs
  • VAR-MID 9 variants
  • BOOK-MID 2,646
  • PHOTO-FINISH hella

Nearest frequency peer: hella (-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 “heresy”

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

corpus weight

What this shows “heresy” 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).

heresy vs hers
67% similar
heresy vs heroes
67% similar
heresy vs herpes
67% similar

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

Key facts for heresy
PropertyValue
Headwordheresy
LanguageEnglish
Part of speechNoun
IPA/ˈhɛɹəsi/
Letters6
Frequency rank#18,334
Misspellings tracked9
Confusable pairs12
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “heresy”

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).heresylands 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 “hella” (#18,333), “herpes” (#18,335), “hipster” (#18,336). Among 2,646 “H” headwords, “heresy” is #18,334. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 9 spelling variants around heresy (IPA /ˈhɛɹəsi/), anoun. Corpus frequency is #18,334 among 2,646 “H” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 9 likely wrong-spelling variants for heresy, with forms such as "ehresy", "heersy", and "heressy". 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 12 confusable-pair relationships, "hers", "heroes", "herpes", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English heresie, from Old French heresie (modern hérésie), from Latin haeresis, from Ancient Greek αἵρεσις (haíresis, “choice, system of principles”), from αἱρέομαι (hairéomai, “to take for oneself, to choose”), the middle voice of αἱρέω (hairéō… The correct English form is heresy, spelled H-E-R-E-S-Y.

Definition

  1. 1
    A doctrine held by a member of a religion at variance or conflict with established religious beliefs.
  2. 2
    A controversial or unorthodox opinion held by a member of a group, as in politics, philosophy or science.

Recorded use

Wiktionary examples

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

  1. Heresy meant deliberate departure from the accepted doctrines of the church. It was intellectual and spiritual dissent and concerned the beliefs of Christianity, not the morals of its adherents.
  2. I'm going to declare a heresy for you. All science, if you go back into its roots, saying: 'Why do I believe this?' 'Well, I believe this because of these tests and this proof.' 'Well, why do I believe this?' 'Why did I set up this test?' 'Why did I believe that proof?' All science goes back to something that we believe because we believe it. We believe i…

Etymology

From Middle English heresie, from Old French heresie (modern hérésie), from Latin haeresis, from Ancient Greek αἵρεσις (haíresis, “choice, system of principles”), from αἱρέομαι (hairéomai, “to take for oneself, to choose”), the middle voice of αἱρέω (hairéō, “to take”), possibly from Proto-Indo-European *ser-; see also Welsh herw (“theft, raid”), Ancient Greek στερέω (steréō, “to deprive of”).

This word in other languages

Common misspellings

Also misspelled as:

  • ehresy
  • heersy
  • heressy
  • heresyy
  • hereys
  • herresy
  • hersey
  • hheresy
  • hreesy

Misspelling Pattern Breakdown

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

ehresy2heersy2heressy1heresyy1hereys2herresy1hersey2hheresy1
Edit distance from "heresy"

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 "heresy"?
"heresy" is spelled H-E-R-E-S-Y. The IPA pronunciation is /ˈhɛɹəsi/.
What does "heresy" mean?
As a noun, "heresy" means: A doctrine held by a member of a religion at variance or conflict with established religious beliefs.
What words are commonly confused with "heresy"?
"heresy" is commonly confused with "hers", "heroes", "herpes". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "heresy"?
The IPA (International Phonetic Alphabet) transcription for "heresy" is /ˈhɛɹəsi/. 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 "heresy"?
From Middle English heresie, from Old French heresie (modern hérésie), from Latin haeresis, from Ancient Greek αἵρεσις (haíresis, “choice, system of principles”), from αἱρέομαι (hairéomai, “to take for oneself, to choose”), the middle voice of αἱρ... 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 "heresy", not the corpus desk frequency band.

Same letter count

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

Similar misspelling depth

Headwords with a similar count of attested misspellings (9 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list