similitude

noun5

1. •
   Similarity or resemblance to something else.
2. •
   A way in which two people or things share similitude.
3. •
   Someone or something that closely resembles another; a duplicate or twin.
4. •
   A parable or allegory.

   • And he spake many thynges to them in similitudes, sayinge: Beholde, the sower wentt forth to sowe, And as he sowed, some fell by the wayes side [...]. — 1526
5. •
   A similarity: a transformation of Euclidean space that preserves angles and the ratios of distances.