inscrutable

/ˌɪnˈskɹuːtəbl̩/

//ˌɪnˈskɹuːtəbl̩// adj

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

"inscrutable" is a 11-letter English headword indexed on PlainSpell.

The verdict

“inscrutable” has 18 generated spelling variants in the English index at frequency #49,426. The variants make it a useful spelling check.

#49,426
frequency rank, English
2,140
“I” headwords
18
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Difficult or impossible to comprehend, fathom, or interpret.

Corpus desk

Index EN-inscrutable · inscrutable · English

inscrutable · rank #49,426 · 18 variants · 0 confusables

  • FREQ-MID #49,426
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 18 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH inoffensive

Nearest frequency peer: inoffensive (-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 “inscrutable”

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

corpus weight

What this shows Bars show where “inscrutable” 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 inscrutable
PropertyValue
Headwordinscrutable
LanguageEnglish
Part of speechAdjective
IPA/ˌɪnˈskɹuːtəbl̩/
Letters11
Frequency rank#49,426
Misspellings tracked18
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “inscrutable” sits in English frequency

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).inscrutable lands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 18 spelling variants around inscrutable (IPA /ˌɪnˈskɹuːtəbl̩/), anadjective. Corpus frequency is #49,426 among 2,140 “I” headwords. Dominant gloss: "Difficult or impossible to comprehend, fathom, or interpret.".

Our generated misspelling index lists 18 likely wrong-spelling variants for inscrutable, with forms such as "incsrutable", "innscrutable", and "insccrutable". 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 entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Borrowed into late Middle English from Late Latin īnscrūtābilis, from in- (“not”) + scrūtō (“to examine”), corresponding to in- + scrutable The correct English form is inscrutable, spelled I-N-S-C-R-U-T-A-B-L-E.

Definition

  1. 1
    Difficult or impossible to comprehend, fathom, or interpret.

Recorded use

Wiktionary examples

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

  1. His inscrutable theories would years later become the foundation of a whole new science.
  2. The pale, inscrutable determinateness, and flinchless intrepidity of Pierre, now began to domineer upon them; for any social unusualness or greatness is sometimes most impressive in the retrospect.

Etymology

Borrowed into late Middle English from Late Latin īnscrūtābilis, from in- (“not”) + scrūtō (“to examine”), corresponding to in- + scrutable

This word in other languages

inescrutable(Español)impénétrable(Français)undurchschaubar(Deutsch)

Common misspellings

Also misspelled as:

  • incsrutable
  • innscrutable
  • insccrutable
  • inscrrutable
  • inscrtuable
  • inscruatble
  • inscrutabble
  • inscrutabel
  • inscrutablle
  • inscrutalbe
  • inscrutbale
  • inscrutible
  • inscruttable
  • inscurtable
  • insrcutable
  • insscrutable
  • isncrutable
  • niscrutable

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of inscrutable - 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.

incsrutable2innscrutable1insccrutable1inscrrutable1inscrtuable2inscruatble2inscrutabble1inscrutabel2
Edit distance from "inscrutable"

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 September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "inscrutable"?
"inscrutable" is spelled I-N-S-C-R-U-T-A-B-L-E. The IPA pronunciation is /ˌɪnˈskɹuːtəbl̩/.
What does "inscrutable" mean?
As an adjective, "inscrutable" means: Difficult or impossible to comprehend, fathom, or interpret.
What are common misspellings of "inscrutable"?
Common misspellings include "incsrutable", "innscrutable", "insccrutable", "inscrrutable", "inscrtuable". The correct spelling is "inscrutable".
How do you pronounce "inscrutable"?
The IPA (International Phonetic Alphabet) transcription for "inscrutable" is /ˌɪnˈskɹuːtəbl̩/. 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 "inscrutable"?
Borrowed into late Middle English from Late Latin īnscrūtābilis, from in- (“not”) + scrūtō (“to examine”), corresponding to in- + scrutable 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 "inscrutable", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

inoffensive#49,425incantation#49,419furtherance#49,344extenuating#49,324

Similar misspelling depth

Headwords with a similar count of attested misspellings (18 here; floor ≥5).

harmoniously18 variantssystematics18 variantsstereoscopic18 variantsshowmanship18 variants

What to do next

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

  • 18 edit-distance misspelling variants are generated for spell-check research on this headword. See variants
  • Usage frequency rank #49,426 among English headwords in this corpus. Corpus statistics
  • Browse more English words in the "I" letter cohort. I–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