57 entries under noun topic. ×

20
rainbow(color, spectrum, iridescence)
15
range(rule, array, extent, scale)
11
gamut(range, variety, array, area)
9
series(rule, range, array, scale)
7
compass(area, matter, range, scale)
6
scope(area, rule, matter, range)
6
scale(rule, system, range, gauge)
4
apparition
4
chameleon
4
sweep(area, matter, range, scale)
4
array
4
variegation
3
sequence(rule, array, gauge, ruler)
3
hierarchy(rule, gauge, ruler)
3
progression(rule, gauge, ruler)
3
register(rule, gauge, ruler)
3
shade
3
chromatic spectrum
2
rank
2
continuum
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APASmart Define. (2016). spectrum thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/spectrum/thesaurus/synonyms
ChicagoSmart Define. 2016. "spectrum thesaurus" https://smartdefine.org/spectrum/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, spectrum thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/spectrum/thesaurus/synonyms>.
MLASmart Define. "spectrum thesaurus" 13 January 2016. Web. 26 September 2026. <https://smartdefine.org/spectrum/thesaurus/synonyms>