NBC vs nis, What's the Difference?

Which to use

“NBC” is an adjective and “nis” is a verb - they look or sound alike but fill different roles in a sentence.

#19,349
“NBC” frequency rank: #49,821
“nis” frequency rank: 69170
confusion score

Side-by-Side Comparison

Feature	NBC	nis
Definition	Qualifie les trois grands risques encourus avec les armes de destruction massive : le nucléaire, la biologie et la chimie.	Participe actif présent du verbe ní (« se déplacer »).

Where the spellings diverge

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

3 ch

NBC

3 ch

nis

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: NBC is \ɛn.be.se\ while nis is \nis\. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 69170, derived from the frequency rank of both members and their visual similarity.

NBC is recorded at frequency rank #19,349, classified as anadj, pronounced \ɛn.be.se\. nis is at rank #49,821, tagged as averb, pronounced \nis\.

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 69170, this pair ranks #56,198 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of NBC vs nis

Shared letters: n. Private to "NBC": bc. Private to "nis": is.

"NBC" · 3 letters · shape CCC · "nis" · 3 letters · shape CVC

Frequency comparison

NBC#19,349

nis#49,821

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "NBC" and "nis" be used interchangeably?

No - they are not even the same part of speech. "NBC" is an adjective and "nis" a verb, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "NBC" or "nis"?

"NBC" is the more common of the two: it sits at frequency rank #19,349 in our French list, against #49,821 for "nis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering NBC vs nis

The fastest way to pick the right one every time.

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