naivsnumWhat's the difference?

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

Which to use

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

#43,733
“nai” frequency rank
#27,707
“num” frequency rank
71440
confusion score

Side-by-Side Comparison

Feature nai num
Definition Madre. Acaso, no es el caso que, no... acaso.

Where the spellings diverge

Shared letters are muted; the letters that actually set nai and num apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
nai
3 ch
num

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: nai is [ˈna̠j] while num is [nũː]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs particle), which is usually the fastest check. Our composite confusion score for this pair is 71440, derived from the frequency rank of both members and their visual similarity.

nai is recorded at frequency rank #43,733, classified as anoun, pronounced [ˈna̠j]. num is at rank #27,707, tagged as aparticle, pronounced [nũː].

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 71440, this pair ranks #27,521 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of nai vs num

Shared letters: n. Private to "nai": ai. Private to "num": mu.

"nai" · 3 letters · shape CVV  ·  "num" · 3 letters · shape CVC

Frequency comparison

nai#43,733
num#27,707

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "nai" and "num" be used interchangeably?
No - they are not even the same part of speech. "nai" is a noun and "num" a particle, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "nai" or "num"?
"num" is the more common of the two: it sits at frequency rank #27,707 in our Spanish list, against #43,733 for "nai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering nai vs num

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “nai”; for a particle, it's “num”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “nai” 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