infrasonic /in-frə-sonˈik/ (acoustics)

1. (of frequencies) below the usual audible limit
2. Of, using or produced by infrasonic vibrations or pressure waves

• never fash your thumb
• never land
• never make old bones
• never mind
• nevermore
• never-never
• never-never country
• never-never land
• never-never lands
• never say die
• never so
• nevertheless
• neverthemore
• never the wiser
• never-was
• nevi
• nevus
• new
• New Age
• New-Age
• New Ageism
• New Age music
• New Ager
• New-Age Traveller
• New-Age Travellers