spectrum (n.)
- afterimage
- array
- articulation
- bank
- bogey
- butterfly
- buzz
- carry
- catena
- catenation
- chain
- chameleon
- cheetah
- chrysotile
- compass
- concatenation
- confetti
- connection
- continuum
- course
- cycle
- descent
- diapason
- drone
- file
- filiation
- firedog
- frequency
- gamut
- ghost
- gradation
- halftone
- harlequin
- haunt
- hertz
- hum
- iris
- jaguar
- kilohertz
- leopard
- line
- lineage
- mackerel
- marble
- megahertz
- moire
- monochrome
- monotone
- mother-of-pearl
- nacre
- nexus
- ocelot
- opal
- peacock
- pendulum
- periodicity
- phantasm
- plenum
- primary
- progression
- queue
- radius
- rainbow
- range
- rank
- reach
- recurrence
- register
- reticulation
- revenant
- rotation
- round
- routine
- row
- run
- scale
- scope
- secondary
- sequence
- series
- shade
- spirit
- spook
- stretch
- string
- succession
- swath
- sweep
- tertiary
- thread
- tier
- train
- zebra