This is the 7033rd most frequent Spanish word.
enfermedades
Diseases or illnesses.
Here, 'enfermedades' is used as the subject of the sentence, referring to a category of health conditions.
Las enfermedades virales son difíciles de tratar sin un diagnóstico adecuado.
Viral diseases are difficult to treat without an adequate diagnosis.
In this sentence, 'enfermedades' is the object of the verb 'estudian', indicating the focus of scientific research.
Los médicos estudian las enfermedades para encontrar mejores tratamientos.
Doctors study diseases to find better treatments.
This example uses 'enfermedades' to highlight the scope of medical conditions for which the hospital is prepared.