kryptonite

/ˈkɹɪptənaɪt/

//ˈkɹɪptənaɪt// noun

"kryptonite" is a 10-letter English headword indexed on PlainSpell.

The verdict

“kryptonite” has 16 generated spelling variants in the English index at frequency #33,303. The variants make it a useful spelling check.

#33,303
frequency rank, English
9,255
“K” headwords
16
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The one weakness of something or someone that is otherwise invulnerable.

Key facts for kryptonite
PropertyValue
Headwordkryptonite
LanguageEnglish
Part of speechNoun
IPA/ˈkɹɪptənaɪt/
Letters10
Frequency rank#33,303
Misspellings tracked16
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “kryptonite” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). kryptonite lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around kryptonite (IPA /ˈkɹɪptənaɪt/), anoun. Corpus frequency is #33,303 among 9,255 “K” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for kryptonite, with forms such as "kkryptonite", "krpytonite", and "krryptonite". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. No confusable counterpart is on file for this word, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From a fictional radioactive element, kryptonite, that has a detrimental effect on the otherwise invulnerable character Superman. Apparently formed as krypton (“a chemical element, Kr”) + -ite. The correct English form is kryptonite, spelled K-R-Y-P-T-O-N-I-T-E.

Definition

  1. 1
    The one weakness of something or someone that is otherwise invulnerable.
  2. 2
    Crack cocaine.

Etymology

From a fictional radioactive element, kryptonite, that has a detrimental effect on the otherwise invulnerable character Superman. Apparently formed as krypton (“a chemical element, Kr”) + -ite.

This word in other languages

Common misspellings

Also misspelled as: kkryptonite,krpytonite,krryptonite,krypotnite,krypptonite,kryptnoite,kryptointe,kryptoniet,kryptonitte,kryptonnite,kryptontie,krypttonite,krytponite,kryyptonite,kyrptonite,rkyptonite

Misspelling Pattern Breakdown

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

kkryptonite1krpytonite2krryptonite1krypotnite2krypptonite1kryptnoite2kryptointe2kryptoniet2
Edit distance from "kryptonite"

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 "kryptonite"?
"kryptonite" is spelled K-R-Y-P-T-O-N-I-T-E. The IPA pronunciation is /ˈkɹɪptənaɪt/.
What does "kryptonite" mean?
As a noun, "kryptonite" means: The one weakness of something or someone that is otherwise invulnerable.
What are common misspellings of "kryptonite"?
Common misspellings include "kkryptonite", "krpytonite", "krryptonite", "krypotnite", "krypptonite". The correct spelling is "kryptonite".
How do you pronounce "kryptonite"?
The IPA (International Phonetic Alphabet) transcription for "kryptonite" is /ˈkɹɪptənaɪt/. 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 "kryptonite"?
From a fictional radioactive element, kryptonite, that has a detrimental effect on the otherwise invulnerable character Superman. Apparently formed as krypton (“a chemical element, Kr”) + -ite. 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.

Using “kryptonite”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is K-R-Y-P-T-O-N-I-T-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkɹɪptənaɪt/ (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

Same frequency band

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 FrequencyWords open word-frequency list