con·so·nance 
(kŏnsə-nəns)
(kŏnsə-nəns)n.
1. Agreement; harmony; accord.
2.
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.
3. 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.