IPA: //sɪlˈdɛnəfɪl//
KK: /sɪlˈdɛnəfɪl/
A medication that helps men with erectile dysfunction by increasing blood flow to the penis.
The doctor prescribed sildenafil to help with his erectile dysfunction.
Sildenafil is a coined term, where 'sildenafil' does not have traditional roots in Latin, Greek, Old English, or Old French. It is derived from the chemical structure of the compound, specifically the 'sildenafil' name created by the pharmaceutical company Pfizer, which does not have a historical etymology but is a unique identifier for the drug used to treat erectile dysfunction.
Think of 'sildenafil' as a unique name created for a specific medication, which helps you remember that it is a modern term without traditional roots.
No commonly confused words.