“powder / flour” in Japanese is 粉, read fun, ko, kona (ふん, こ, こな). It is a Grade 5 Kyōiku kanji, taught in year 5 of Japanese elementary school, and appears in words such as 小麦粉 (wheat flour).
What does 粉 mean?
小麦粉でパンを作る。
Same sound, different character — the classic trap. Compare them side by side: