"発症" in Japanese is the translation of English "Onset" (find more translations on these pages: "Onset in Different Languages" and "Onset in Japanese").

発症 pronunciation: If you want to know how to pronounce 発症 in Japanese (that is, how we say "Onset" in Japanese), you will find the audio pronunciation below.

Please listen to the proper pronunciation and remember how to say it. We hope this will help you to master your Japanese language.

Here is the Japanese pronunciation of the word 発症:
Japanese, female
Japanese, male