See consonance in Webster's New World College Dictionary
noun
harmony or agreement of elements or parts; accord
a pleasing combination of simultaneous musical sounds; harmony of tones
Prosody repetition of a consonant sound in stressed syllables in the middle or at the end of words (Ex.: star/door, conceive/behoove)
See consonance in American Heritage Dictionary 4
(kŏnˈsə-nəns)
noun
Agreement; harmony; accord.
a. Close correspondence of sounds.
b. The repetition of consonants or of a consonant pattern, especially at the ends of words, as in blank and think or strong and string.
Music A simultaneous combination of sounds not requiring resolution to another combination of sounds for finality of effect and conventionally regarded as harmonious or pleasing.