Is “Rhythm” a Scrabble word?
Yes
RHYTHM
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Rhythm
/ˈɹɪ.ð(ə)m/
noun
1.The variation of strong and weak elements (such as duration, accent) of sounds, notably in speech or music, over time; a beat or meter.
“Dance to the rhythm of the music.”
2.A specifically defined pattern of such variation.
“Most dances have a rhythm as distinctive as the Iambic verse in poetry”
3.A flow, repetition or regularity.
“Once you get the rhythm of it, the job will become easy.”
Synonyms: meter, metre, prosody, rhythm section