sidekick
/ˈsaɪdkɪk/
"sidekick" is a 8-letter English headword indexed on PlainSpell.
The verdict
“sidekick” is a moderately-common English word, ranked #21,360 in English word frequency and used as a noun.
- #21,360
- frequency rank, English
- 8
- letters
- 12
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An assistant to another person, especially to a superior or more important person.
| Property | Value |
|---|---|
| Headword | sidekick |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈsaɪdkɪk/ |
| Letters | 8 |
| Frequency rank | #21,360 |
| Misspellings tracked | 12 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “sidekick” sits in English frequency
Spelling & Dictionary Insight
The English entry for sidekick is 8 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈsaɪdkɪk/. Corpus data places it at rank #21,360 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 12 likely wrong-spelling variants for sidekick, with forms such as "isdekick", "sdiekick", and "siddekick". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: From side + kick, which in the late 19th and early 20th century was a slang term for the front side pocket of a pair of trousers, known as the pocket safest from theft. Thus, by analogy, a "side-kick" was a person's closest companion. The correct English form is sidekick, spelled S-I-D-E-K-I-C-K.
Definition
- 1An assistant to another person, especially to a superior or more important person.
- 2In literature, theatre, etc., a good foil of the protagonist, a character who helps emphasize the traits of the main character.
Etymology
From side + kick, which in the late 19th and early 20th century was a slang term for the front side pocket of a pair of trousers, known as the pocket safest from theft. Thus, by analogy, a "side-kick" was a person's closest companion.
Synonyms
Antonyms
This word in other languages
Common misspellings
Also misspelled as: isdekick,sdiekick,siddekick,sideikck,sidekcik,sidekicck,sidekickk,sidekikc,sidekkick,sidkeick,siedkick,ssidekick
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of sidekick - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 “sidekick”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-I-D-E-K-I-C-K - every other letter order is a misspelling in standard orthography.
- Say it as /ˈsaɪdkɪk/ (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.