ties

Similarity \Sim`i*lar"i*ty\, n.; pl. {-ties}. [Cf. F. similarit['e].] The quality or state of being similar; likeness; resemblance; as, a similarity of features. [1913 Webster] Hardly is there a similarity detected between two or three facts, than men hasten to extend it to all. --Sir W. Hamilton. [1913 Webster]