rhyming words area pair ofwords that end with the same sound.Let's look at the poem "I Wonder":
Couplet 1:I wonder why the grass isgreen,And why the wind is neverseen?
InCouplet 1, the words that rhyme or sound the same are:greenandseen
Couplet 2:Who taught the birds to build anest,And told the trees to take arest?
InCouplet 2, the words that rhyme or sound the same are:nestandrest
Couplet 3:O, when the moon is not quiteround,Where can the missing bit befound?
InCouplet 3, the words that rhyme or sound the same are:roundandfound
Couplet 4:Who lights the stars, when they blowout,And makes the lightning flashabout?
InCouplet 4, the words that rhyme or sound the same are:outandabout
Couplet 5:Who paints the rainbow in thesky,And hangs the fluffy clouds sohigh?
InCouplet 5, the words that rhyme or sound the same are:skyandhigh
Couplet 6:Why is it now, do yousuppose,That Dad wont tell me, if heknows?
InCouplet 6, the words that rhyme or sound the same are:supposeandknows