many things you can do with this letter if you get what I mean

Nitrogen
Nicotine
Nice
Nike
New
News
Nature
Natural
Naturally
Neutral
Neutrality
Neutralization
Nesquik
Nestle
Norway
Namibia
Nose
Nostril
Nostrils
Nostalgia
Nostalgic
Nuke
Nukes
Novel
November
Noble
Nobody
Noone
Noon
Nothing
Nest
No
Not
Never
Nil
Nourish
Nourishment
Nack
Nacho
Nectar
Net
Narwhal
Night
Nighttime
Nightgown
Nightingale
Nonetheless
Negative
Negotiations
Nap
Nocturnal
Neptune
Neptunium
Nephew
Nip
Napkin
Nought
Nirvana
Niece
Noodle
Neigh
Nurse
Neighbor
Neither

What do they all have in common?