The term 'BEATS SOUNDLY' can be broken down into four crossword solutions: DRUBS (5 letters), LICKS (5 letters), WHOPS (5 letters), and THRASHES (8 letters). DRUBS is a verb meaning to strike lightly with a repeated motion, while LICKS is a verb meaning to hit or strike with a quick, sharp blow. WHOPS is another verb meaning to hit or strike with great force, and THRASHES is a verb meaning to beat or whip severely. All of these words describe a forceful action that is used to beat someone or something soundly.