SIMILITUDE
counterpart, similitude, twin
(noun) a duplicate copy
likeness, alikeness, similitude
(noun) similarity in appearance or character or nature between persons or things; “man created God in his own likeness”
Source: WordNet® 3.1
Etymology
Noun
similitude (countable and uncountable, plural similitudes)
(uncountable) Similarity or resemblance to something else.
(countable) A way in which two people or things share similitude.
(countable) Someone or something that closely resembles another; a duplicate or twin.
A parable or allegory.
Source: Wiktionary
Si*mil"i*tude, n. Etym: [F. similitude, L. similitudo, from similis
similar. See Similar.]
1. The quality or state of being similar or like; resemblance;
likeness; similarity; as, similitude of substance. Chaucer.
Let us make now man in our image, man In our similitude. Milton.
If fate some future bard shall join In sad similitude of griefs to
mine. Pope.
2. The act of likening, or that which likens, one thing to another;
fanciful or imaginative comparison; a simile.
Tasso, in his similitudes, never departed from the woods; that is,
all his comparisons were taken from the country. Dryden.
3. That which is like or similar; a representation, semblance, or
copy; a facsimile.
Man should wed his similitude. Chaucer.
Source: Webster’s Unabridged Dictionary 1913 Edition