ninja

[ˈnĩɲʝa]

/[ˈnĩɲʝa]/ noun

The verdict

“ninja” is a moderately-common Spanish word, ranked #10,385 in Spanish word frequency and used as a noun.

#10,385
frequency rank, Spanish
5
letters
7
tracked misspellings
18
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Mercenario entrenado especialmente en formas no ortodoxas de hacer la guerra, en las que se incluía el asesinato, espionaje, sabotaje, reconocimiento y guerra de guerrillas, con el afán de desestab...

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

ninja vs niño
40% similar
ninja vs Niza
40% similar
ninja vs nunca
60% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for ninja
PropertyValue
Headwordninja
LanguageSpanish
Part of speechNoun
IPA[ˈnĩɲʝa]
Letters5
Frequency rank#10,385
Misspellings tracked7
Confusable pairs18
SourceWiktionary (kaikki.org)

Where “ninja” sits in Spanish 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). ninja lands here:

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

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

Spelling & Dictionary Insight

The Spanish entry for ninja is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [ˈnĩɲʝa]. Corpus data places it at rank #10,385 in overall Spanish 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 7 likely wrong-spelling variants for ninja, with forms such as "innja", "nijna", and "ninaj". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 18 confusable-pair relationships, "niño", "Niza", "nunca", and more, where similar look or sound leads writers to substitute one word for another in context.

Wiktionary doesn't record an etymology for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Spanish form is ninja, spelled N-I-N-J-A.

Definition

  1. 1
    Mercenario entrenado especialmente en formas no ortodoxas de hacer la guerra, en las que se incluía el asesinato, espionaje, sabotaje, reconocimiento y guerra de guerrillas, con el afán de desestabilizar al ejército enemigo, obtener información vital de la posición de sus tropas o lograr una ventaja importante que pudiera ser decisiva en el campo de batalla.
  2. 2
    Persona que tiene gran habilidad o destreza en un determinado oficio.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: innja,nijna,ninaj,ninjja,ninnja,nnija,nninja

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ninja - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

innja2nijna2ninaj2ninjja1ninnja1nnija2nninja1
Edit distance from "ninja"

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 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ninja"?
"ninja" is spelled N-I-N-J-A. The IPA pronunciation is [ˈnĩɲʝa].
What does "ninja" mean?
As a noun, "ninja" means: Mercenario entrenado especialmente en formas no ortodoxas de hacer la guerra, en las que se incluía el asesinato, espionaje, sabotaje, reconocimiento y guerra de guerrillas, con el afán de desestab...
What words are commonly confused with "ninja"?
"ninja" is commonly confused with "niño", "Niza", "nunca". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ninja"?
The IPA (International Phonetic Alphabet) transcription for "ninja" is [ˈnĩɲʝa]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "ninja" come from?
"ninja" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 “ninja”

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

  • The one correct Spanish spelling is N-I-N-J-A - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈnĩɲʝa] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “niño” - see the side-by-side comparison. ninja vs niño
  • Browse more Spanish words and confusable pairs in the same reference. Spanish 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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list