- negligent: careless (person)
- nonpapillary
- not feel quite up to the mark
- not mince words
- not as black as one is painted
- not as young as used to be
- non_negative number
- non_polar compound
- non_nasal
- not just yet
- nonelectrolyte diuretic
- non renewable
- non_hierarchical cluster analysis
- non_direcitonal microphone
- nearer the church
- not for a minute
- non_pecuniary
- non_semantic
- non buffer salt
- negative charge
- nondeductible
- naevoid condition
- naevus flammeus
- neoplastic fibrosis
- network planning
- non_caustic
- non_selective herbicide
- non paralytic poliomyelitis
- never in a million years
- negri bodies
- non_destructive cursor
- non destearinated
- non_destructive read
- non_destructive read operation
- non_escaping key
- neuroblast
- neuro choroiditis
- neuro muscular dysfunction
- non_refinement
- not come amiss
- newest
- nucleus pulposus
- neisseria pharyngis
- non_ionic emulsifying agent
- nymphoneus
- not cricket
- not be quite up to the mark
- nonracist
- not fully baked (said of pottery)
- not operation