1) Isomorphous 2) Similarity 1) Isomorphous 
• (a.) Isomorphous. • (a.) Alike in form; exhibiting isomorphism.
I`so·mor'phic adjective Isomorphous. 
Type: Term Pronunciation: ī′sō-mōr′fik Synonyms: isomorphous
isomorph, isomorphic, isomorphism 1. Superficial similarity between individuals of different species or races. 2. Equal in form; crystallizing in the same form. 3. A line in a linguistic atlas connecting places exhibiting identical or nearly identical morphological forms; a morphological isogloss. 4. A substance or organism that exhibits similarity...
different in ancestry, but having the same form or appearance. · isomorphous. · pertaining to two sets related by an isomorphism.