Why are abortion and evolution the most Divisive?

I think in the context you describe it would be acceptable to describe the language tied to those issues as divisive.

If you want to describe a situation where a minority group or an individual is being excluded, over the term “eclipse” you might use the word exclusionary.

Obfuscation. With an increased complexity in a word there is comprehensibility. This word doesn’t specifically mean that more words are on the list

or, simply: In this word there are more words just in case.

Are distillate or other kind of distillated substances?

If the substance (x) has been rendered pure by your extraction process and the purity of the element is the information that you wish to convey then you can just say you have a quantity of pure x.

Late 15c. Exception (n.) later 15c. A “thing bought,” noun of action from past participle stem of emere. Originally used to describe something being offered for purchase to a

group or individual before being offered publicly.