IPA: /ˌæntiˈfʌŋɡəl/
KK: /ˈæntɪˌfʌŋɡəl/
Relating to substances that kill or prevent the growth of fungi.
The doctor prescribed an antifungal cream to treat the infection.
Antifungal is formed from "anti-" (meaning against) and "fungus" (from Latin "fungus", meaning mushroom or fungus). The word antifungal refers to substances that work against fungi.
Think of 'anti-' meaning against, and 'fungus' referring to mushrooms or fungi — antifungal means something that fights against fungi.
No commonly confused words.