What's the difference between antichristian and antichristianly?

Antichristian

Definition:

• (a.) Opposed to the Christian religion.

Example Sentences:

• (1) And it is that antichristian spirit that is both leading so many Christians astray and gathering such evil human forces around him in his alt-right and Russian enforcers.” Trump’s theofascist Publication: The Week Author: Damon Linker literally wrote the book about the “theocons” who wanted to weld traditionalist Catholicism to other forms of conservative religiosity in order to bolster American political conservatism.

Antichristianly

Definition:

• (adv.) In an antichristian manner.

Example Sentences:

• (1) And it is that antichristian spirit that is both leading so many Christians astray and gathering such evil human forces around him in his alt-right and Russian enforcers.” Trump’s theofascist Publication: The Week Author: Damon Linker literally wrote the book about the “theocons” who wanted to weld traditionalist Catholicism to other forms of conservative religiosity in order to bolster American political conservatism.