unpredictably
"unpredictably" is a 13-letter English headword indexed on PlainSpell.
The verdict
“unpredictably” is uncommon English (frequency #68,725 among 23,789 “U” headwords), classed as an adverb. The kind of spelling people second-guess.
- #68,725
- frequency rank, English
- 23,789
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - In an unpredictable way.
Corpus desk
Index EN-unpredictably · unpredictably · English
unpredictably · rank #68,725 · 0 variants · 0 confusables
- FREQ-RARE #68,725
- LEN-MEGA 13 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 23,789
- PHOTO-FINISH unrepresentat…
Nearest frequency peer: unrepresentative (+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 “unpredictably”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- unf
unf
31,279 corpus weight
- unfriend
unfriend
31,278 corpus weight
- unpredictab…
unpredictably
31,276 corpus weight
- unrepresent…
unrepresentative
31,275 corpus weight
- unsavoury
unsavoury
31,274 corpus weight
- untruthful
untruthful
31,273 corpus weight
What this shows Bars show where “unpredictably” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | unpredictably |
| Language | English |
| Part of speech | Adverb |
| Letters | 13 |
| Frequency rank | #68,725 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “unpredictably” sits in English frequency
Rare enough to double-check
unpredictably is uncommon English at frequency #68,725 among 23,789 “U” headwords, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In an unpredictable way.".
The misspelling generator found no plausible variants for unpredictably, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our 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 unpredictable + -ly. The correct English form is unpredictably, spelled U-N-P-R-E-D-I-C-T-A-B-L-Y.
Definition
- 1In an unpredictable way.
Etymology
From unpredictable + -ly.
Antonyms
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 "unpredictably", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 13 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.