irreversibly
"irreversibly" is a 12-letter English headword indexed on PlainSpell.
The verdict
“irreversibly” is uncommon English (frequency #52,414 among 17,902 “I” headwords), classed as an adverb. The kind of spelling people second-guess.
- #52,414
- frequency rank, English
- 17,902
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - In an irreversible manner.
Corpus desk
Index EN-irreversibly · irreversibly · English
irreversibly · rank #52,414 · 0 variants · 0 confusables
- FREQ-RARE #52,414
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 17,902
- PHOTO-FINISH irresponsibly
Nearest frequency peer: irresponsibly (-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.
Frequency neighbourhood for “irreversibly”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- intersectio…
intersectional
47,591 corpus weight
- irresponsib…
irresponsibly
47,588 corpus weight
- irreversibly
irreversibly
47,587 corpus weight
- Islay
Islay
47,586 corpus weight
- iterate
iterate
47,585 corpus weight
- ITF
ITF
47,584 corpus weight
What this shows Bars show where “irreversibly” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | irreversibly |
| Language | English |
| Part of speech | Adverb |
| Letters | 12 |
| Frequency rank | #52,414 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “irreversibly” sits in English frequency
Rare enough to double-check
irreversibly is uncommon English at frequency #52,414 among 17,902 “I” headwords, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In an irreversible manner.".
No misspelling variants are generated for irreversibly in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From irreversible + -ly or ir- + reversibly. The correct English form is irreversibly, spelled I-R-R-E-V-E-R-S-I-B-L-Y.
Definition
- 1In an irreversible manner.
Etymology
From irreversible + -ly or ir- + reversibly.
Antonyms
This word in other languages
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "irreversibly", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 12 letters (nearest by frequency rank).
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.