D defs.my
Entry 1 sense Webster, 1913

Similarity

/sĭmˌ-əl-ĕr'-ət-ē/ · Sim·i·lar·i·ty · IPA /ˌsɪm.əˈlæɹ.ə.ti/
01 n. The quality or state of being similar; likeness; resemblance; as, a similarity of features.
pl. -ties ((#))
  1. 1.
    The quality or state of being similar; likeness; resemblance; as, a similarity of features.
    “Hardly is there a similarity detected between two or three facts, than men hasten to extend it to all.” Sir W. Hamilton.