The definition of Internal rhyme is, a rhyme by two or more words in the same line of a verse. A poem using Internal rhyme is,
Jack and Jill by Mother Goose
Jack and Jill went up the hill
To fetch a pail of water;
Jack fell down and broke his crown,
And Jill came tumbling after.
Up Jack got, and home did trot,
As fast as he could caper,
To old Dame Dob, who patched his nob
With vinegar and brown paper.