Malignant refers to something that is very virulent or infectious, often used in a medical context to describe a harmful tumor.

Malignant can also refer to something that is malevolent or spiteful.

दुष्ट

English Usage: His malignant behavior towards colleagues created a toxic work environment.

Hindi Usage: उसका सहयोगियों के प्रति दुष्ट व्यवहार ने एक विषैला कार्य वातावरण बना दिया।

Reticulosis refers to a disease characterized by the proliferation of reticular cells, often affecting lymphatic tissues.

Reticulosis can also refer generally to diseases of reticular connective tissues.

रेटिक्युलर संयोजी ऊतकों का रोग

English Usage: Doctors are exploring various treatments for reticulosis in patients.

Hindi Usage: डॉक्टर रोगियों में रेटिकुलोसिस के विभिन्न उपचारों का अन्वेषण कर रहे हैं।