x

PHENOMENA and X have one thing in common. They could be anything.
a b c d e f g h i j k l m n o p q r s t u v w x y z
noumena
narcissus
narcosis
nautilus
necromancer
nemesis
neonsign
nero
neverland
nightfall
nightmare
nobody
nocturne
nomad
nostalgia
nostradamus
nothing
notorious
nowhere
noxious
nuclearwar
numb
nutcracker
narcissist
nebuchadnezzar
nebula
nekropolis
neomorph
nightrider
novalis
nowayout