- nonnavigabilities
- the North Sea
- the North-South Divide
- the north-west
- the Northwest Territories
- (the) Northwest Territories
- the Noughties
- thens
- the nuts and bolts
- the nuts and bolts of
- the nuts and bolts (of sth)
- theo-
- the obverse
- the Occident
- theocentricity
- theocentrism, theocentricism
- theocracies
- theocracy
- theocratic
- the odd man/one out
- the odd man out
- the odd one out
- the odds are stacked against you
- the odds are stacked in your favour
- theodolite