吹 is a Chinese hanzi, listed here under the keyword “blow”. It is built from 口 (mouth) and 欠 (owe). It appears as a component in 1 other character in this index.
On KumiJi Glyph Explorer, open the parts search and type “mouth” + “owe”. 吹 is among the results, together with every other character containing the same shapes.
Open 吹 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.