卆 is a Japanese kanji, listed here under the keyword “ninety”. It is built from 九 (nine) and 十 (ten). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “nine” + “ten”. 卆 is among the results, together with every other character containing the same shapes.
Open 卆 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.