unknowable
/ʌnˈnoʊ.ə.bəl/
"unknowable" is a 10-letter English headword indexed on PlainSpell.
The verdict
“unknowable” is a moderately-common English word, ranked #43,991 in English word frequency and used as an adjective.
- #43,991
- frequency rank, English
- 10
- letters
- 16
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Not knowable; not able to be known.
| Property | Value |
|---|---|
| Headword | unknowable |
| Language | English |
| Part of speech | Adjective |
| IPA | /ʌnˈnoʊ.ə.bəl/ |
| Letters | 10 |
| Frequency rank | #43,991 |
| Misspellings tracked | 16 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “unknowable” sits in English frequency
Spelling & Dictionary Insight
The English entry for unknowable is 10 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /ʌnˈnoʊ.ə.bəl/. Corpus data places it at rank #43,991 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Not knowable; not able to be known.".
Our generated misspelling index lists 16 likely wrong-spelling variants for unknowable, with forms such as "nuknowable", "uknnowable", and "unkknowable". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From un- + knowable. The correct English form is unknowable, spelled U-N-K-N-O-W-A-B-L-E.
Definition
- 1Not knowable; not able to be known.
Etymology
From un- + knowable.
This word in other languages
Common misspellings
Also misspelled as: nuknowable,uknnowable,unkknowable,unknnowable,unknoawble,unknowabble,unknowabel,unknowablle,unknowalbe,unknowbale,unknowible,unknowwable,unknwoable,unkonwable,unnknowable,unnkowable
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of unknowable - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.
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
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Using “unknowable”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-K-N-O-W-A-B-L-E - every other letter order is a misspelling in standard orthography.
- Say it as /ʌnˈnoʊ.ə.bəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
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.