NCISvsnocifsConfusable pair

Quick tell: NCIS is a name, nocifs is an adjective, so they fill different roles in a sentence.

Which to use

“NCIS” is a name and “nocifs” is an adjective - they look or sound alike but fill different roles in a sentence.

#31,625
“NCIS” frequency rank
#28,266
“nocifs” frequency rank
59891
confusion score

Side-by-Side Comparison

Feature NCIS nocifs
Definition Service des enquêtes criminelles de la marine des États-Unis. Masculin pluriel de nocif.

Where the eye mixes NCIS and nocifs

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. NCIS runs 4 letters (CCVC) against nocifs's 6 (CVCVCC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
NCIS
6 ch
nocifs

Why the eye confuses NCIS with nocifs

These two trip readers on the page rather than in the ear: NCIS is \ɛn.se.i.ɛs\ while nocifs is \nɔ.sif\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 59891, derived from the frequency rank of both members and their visual similarity.

NCIS is recorded at frequency rank #31,625, classified as aname, pronounced \ɛn.se.i.ɛs\. nocifs is at rank #28,266, tagged as anadj, pronounced \nɔ.sif\.

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 59891, this pair ranks #100,629 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of NCIS vs nocifs

Shared letters: cins. Private to "NCIS": -. Private to "nocifs": fo.

"NCIS" · 4 letters · shape CCVC  ·  "nocifs" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • NCIScnis · nccis · nciss · ncsi · nics · nncis
  • nocifsncoifs · nnocifs · noccifs · nocfis · nociffs · nocifss · nocisf · noicfs

Frequently Asked Questions

Is swapping "NCIS" for "nocifs" ever safe?
No - they are not even the same part of speech. "NCIS" is a name and "nocifs" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "NCIS" or "nocifs"?
"nocifs" is the more common of the two: it sits at frequency rank #28,266 in our French list, against #31,625 for "NCIS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "NCIS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nocifs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #100,629 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "NCIS" and "nocifs" also get mixed up with nearby pairs, the highest-scored neighbour is "NCIS vs nis". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #100,629 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list