movable - nefarious purposes
- navel-gazing
- navel-string
- navigability
- navigable
- navigate
- navigating officer aeron.
- navigation
- navigational
- navigator
- navvy
- navy
- Navy blue
- navy-blue
- nay
- naze
- Nazi
- Nazism
- NB northbound
- NBA National Basketball Association
- NBC National Broadcasting Company
- NBFM NarrowBand Frequency Modulation
- NBS National Bureau of Standards
- NC
- NCAA National Collegiate Athletic Association
- NCC National Computer Conference
- NCGA National Computer Graphics Association
- NCIC National Cartographic Information Center
- NCO Non-Commissioned Officer
- NCP Network Control Program
- NCS Network Computing System
- NCSC National Computer Security Center
- NCTL National Computer and Telecommunications Laboratory
- ncv no commercial value
- ND no date
- NE north-east
- ne'e fr.
- ne'er
- ne'er-do-weel
- ne'er-do-well
- neanderthal