Low voice is a term used to describe the range of a singer's vocal pitch. The five crossword solutions for this term are BASSO (5 letters), ALTO (4 letters), BASS (4 letters), CONTRALTO (9 letters), TENOR (5 letters), and UNDERTONE (9 letters). BASSO is the lowest male vocal range, while ALTO is the highest female vocal range. BASS is the lowest male vocal range, while CONTRALTO is the second-lowest female vocal range. TENOR is the second-highest male vocal range, and UNDERTONE is a low-pitched sound that is heard beneath the main sound.