# NCIS

> English word · Proper noun · frequency rank #26,897

## Definitions
1. Initialism of Naval Criminal Investigative Service.

## Easily confused with
- **ni** (https://plainspell.com/en/vs/ncis-vs-ni)
- **NHS** (https://plainspell.com/en/vs/ncis-vs-nhs)
- **nos** (https://plainspell.com/en/vs/ncis-vs-nos)
- **NIC** (https://plainspell.com/en/vs/ncis-vs-nic)
- **NIH** (https://plainspell.com/en/vs/ncis-vs-nih)
- **nil** (https://plainspell.com/en/vs/ncis-vs-nil)
- **nip** (https://plainspell.com/en/vs/ncis-vs-nip)
- **NES** (https://plainspell.com/en/vs/ncis-vs-nes)
- **nia** (https://plainspell.com/en/vs/ncis-vs-nia)
- **nit** (https://plainspell.com/en/vs/ncis-vs-nit)
- **nib** (https://plainspell.com/en/vs/ncis-vs-nib)
- **nix** (https://plainspell.com/en/vs/ncis-vs-nix)
- **nis** (https://plainspell.com/en/vs/ncis-vs-nis)
- **nin** (https://plainspell.com/en/vs/ncis-vs-nin)
- **nim** (https://plainspell.com/en/vs/ncis-vs-nim)
- **NOI** (https://plainspell.com/en/vs/ncis-vs-noi)
- **NWS** (https://plainspell.com/en/vs/ncis-vs-nws)
- **NFS** (https://plainspell.com/en/vs/ncis-vs-nfs)
- **NCO** (https://plainspell.com/en/vs/ncis-vs-nco)
- **NCT** (https://plainspell.com/en/vs/ncis-vs-nct)

## Common misspellings (6)
`cnis`, `nccis`, `nciss`, `ncsi`, `nics`, `nncis`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ncis