ASSONANCE-is the repetition of rhyming "vowel" sounds inside the line of a poem."twinkling tw,i,l,i,ght meet tw'i'ce at the egde of n,i,ght CONSONANCE-is the repetition of "consonant sounds either inside the lines of a poem or at the end of a line."No,rm, wo,rm took The garden by sto,rm, this mo,rn, Don't confuse assonance with alliteration. The "Tw" in ttwinkling. "Tw"ilight and "tw"ice are alliteration because these sounds are at hte beginning of this word.