Words That Rhyme With "Niagara" :

2 syllables:

Accra, aggro, Agra, agri, agro, Capra, dagga, Ingres, matra, quadra, quagga, sacra

3 syllables:

chaulmoogra, pellagra, podagra, viagra

4 syllables:

Cleopatra

5 syllables:

abracadabra