Rhythm is a synonym of Cycle. Cycle is related to Course. Course is related to Credit. 
Repeat is related to Multiple. Multiple is related to Word. Word is the opposite of Sentence. Sentence is a synonym of Conviction. 
Rhythm <--Synonym--> Cycle <--RelatedTo--> Course <--RelatedTo--> Credit 
Repeat <--RelatedTo--> Multiple <--RelatedTo--> Word <--Antonym--> Sentence <--Synonym--> Conviction 