assonant

adj. having similar sounds; using similar word sounds or syllable sounds (Poetry)

n. similar sound

Adjective
1. having the same sound (especially the same vowel sound) occurring in successive stressed syllables; "note the assonant words and syllables in `tilting at windmills'"
(similar) same
(classification) rhyme, rime
2. having the same vowel sound occurring with different consonants in successive words or stressed syllables
(similar) rhymed, rhyming, riming

n. assonant, similar sound

adj. assonant, having similar sounds

(a.)
Pertaining to the peculiar species of rhyme called assonance; not consonant.
  

(a.)
Having a resemblance of sounds.