13
contralto(noun, adjective, strong, hard, low)
10
countertenor(noun, adjective, tenor, falsetto)
7
bass(noun, adjective, strong, hard, low)
7
tenor(noun, voice, musician, falsetto)
6
baritone(noun, adjective, strong, hard, musician)
6
low-pitched(adjective, strong, hard, low, deep)
5
deep(adjective, low, intense, sounds, throaty)
5
soprano(noun, musician)
4
falsetto(noun, tenor)
4
high
4
low(adjective, strong, hard, deep, sounds)
4
singer(noun, musician)
3
high-pitched
3
treble
2
crooner
2
diva
2
singing voice(expression, idiom)
2
sonorous(adjective, low)
2
vocalist
2
warbler
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APASmart Define. (2015). alto thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/alto/thesaurus/synonyms
ChicagoSmart Define. 2015. "alto thesaurus" https://smartdefine.org/alto/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, alto thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/alto/thesaurus/synonyms>.
MLASmart Define. "alto thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/alto/thesaurus/synonyms>