ninevsNinjaWhat's the difference?

Quick tell: nine is a num, Ninja is a noun, so they fill different roles in a sentence.

Which to use

“nine” is a num and “Ninja” is a noun - they look or sound alike but fill different roles in a sentence.

#28,781
“nine” frequency rank
#17,082
“Ninja” frequency rank
45863
confusion score

Side-by-Side Comparison

Feature nine Ninja
Definition neun Einzelkämpfer mit einem speziellen Kampfstil und besonderen Waffen in der japanischen Feudalzeit, der einer Geheimorganisation angehörte und als Spion, Saboteur oder Meuchelmörder eingesetzt wurde

Where the spellings diverge

Shared letters are muted; the letters that actually set nine and Ninja apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

4 ch
nine
5 ch
Ninja

Spelling & Dictionary Insight

nine and Ninja form a confusable pair in the German index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 45863, derived from the frequency rank of both members and their visual similarity.

nine is recorded at frequency rank #28,781, classified as anum, pronounced [naɪn]. Ninja is at rank #17,082, tagged as anoun, pronounced [ˈnɪnd͡ʒa].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 45863, this pair ranks #1,338,615 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Frequency comparison

nine#28,781
Ninja#17,082

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "nine" and "Ninja" be used interchangeably?
No, "nine" and "Ninja" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering nine vs Ninja

The fastest way to pick the right one every time.

  • Check the role first: if you need a num, it's “nine”; for a noun, it's “Ninja”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “nine” entry
  • Browse more pairs most likely to be confused. Most confusable

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

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