unpredictability

noun

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

"unpredictability" is a 16-letter English headword indexed on PlainSpell.

The verdict

“unpredictability” has 25 generated spelling variants in the English index at frequency #40,070. The variants make it a useful spelling check.

#40,070
frequency rank, English
1,433
“U” headwords
25
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The quality of being unpredictable.

Corpus desk

Index EN-unpredictability · unpredictability · English

unpredictability · rank #40,070 · 25 variants · 0 confusables

  • FREQ-MID #40,070
  • LEN-MEGA 16 letters
  • VOW-7 7 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 25 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unlisted

Nearest frequency peer: unlisted (-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 “unpredictability”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “unpredictability” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for unpredictability
PropertyValue
Headwordunpredictability
LanguageEnglish
Part of speechNoun
Letters16
Frequency rank#40,070
Misspellings tracked25
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “unpredictability” sits in English frequency

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).unpredictabilitylands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “unlisted” (#40,069), “underperforming” (#40,067), “ventricle” (#40,073). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 25 spelling variants around unpredictability, anoun. Corpus frequency is #40,070 among 1,433 “U” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 25 likely wrong-spelling variants for unpredictability, with forms such as "nupredictability", "unnpredictability", and "unperdictability". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From un- + predictability. The correct English form is unpredictability, spelled U-N-P-R-E-D-I-C-T-A-B-I-L-I-T-Y.

Definition

  1. 1
    The quality of being unpredictable.
  2. 2
    Something which is unpredictable.

Recorded use

Wiktionary example

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

  1. The unpredictability of Gemini was then contrasted with examples of human spontaneity, like the splatter technique of Jackson Pollock.

Etymology

From un- + predictability.

This word in other languages

imprévisibilité(Français)Unvorhersehbarkeit(Deutsch)imprevisibilidade(Português)

Common misspellings

Also misspelled as:

  • nupredictability
  • unnpredictability
  • unperdictability
  • unppredictability
  • unprdeictability
  • unpredcitability
  • unpreddictability
  • unpredicatbility
  • unpredicctability
  • unpredictabbility
  • unpredictabiilty
  • unpredictabilitty
  • unpredictabilityy
  • unpredictabiliyt
  • unpredictabillity
  • unpredictabiltiy
  • unpredictabliity
  • unpredictaiblity
  • unpredictbaility
  • unpredicttability
  • unpreditcability
  • unpreidctability
  • unprredictability
  • unrpedictability
  • upnredictability

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of unpredictability - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

nupredictability2unnpredictability1unperdictability2unppredictability1unprdeictability2unpredcitability2unpreddictability1unpredicatbility2
Edit distance from "unpredictability"

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 "unpredictability"?
"unpredictability" is spelled U-N-P-R-E-D-I-C-T-A-B-I-L-I-T-Y.
What does "unpredictability" mean?
As a noun, "unpredictability" means: The quality of being unpredictable.
What are common misspellings of "unpredictability"?
Common misspellings include "nupredictability", "unnpredictability", "unperdictability", "unppredictability", "unprdeictability". The correct spelling is "unpredictability".
What is the origin of the word "unpredictability"?
From un- + predictability. 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 "unpredictability", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 16 letters (nearest by frequency rank).

immunodeficiency#41,190transcontinental#38,655hypersensitivity#38,433miscommunication#41,768

Similar misspelling depth

Headwords with a similar count of attested misspellings (25 here; floor ≥5).

intergenerational25 variantspsychotherapist25 variantsadministratively25 variantsenvironmentalism25 variants

What to do next

You've looked up "unpredictability". Here's where to go from here.

  • 25 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #40,070 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "U" letter cohort. U–Z browse
  • PlainSpell rotates a curated Word of the Day from the English corpus, a passive way to discover vocabulary. Word of the Day

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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.

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

Source: FrequencyWords open word-frequency list