defams
Defams is not a widely recognized term in English. In most cases, it appears to be a misspelling of the verb defames, the third-person singular form of defame. The standard forms are defame, defames, defaming, and defamed. The related noun is defamation, meaning the act or process of damaging someone's reputation through false statements.
If defams appears as a proper noun, it would most likely be the name of a product,
There are currently no widely cited organizations or concepts that use the exact name Defams in major
If you can provide context or a source for Defams, a more precise article could be written.