戠 is a Japanese kanji, listed here under the keyword “kazoo”. It is built from 戈 (spear) and 音 (sound). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “spear” + “sound”. 戠 is among the results, together with every other character containing the same shapes.
Open 戠 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.