肯 is a Chinese hanzi, listed here under the keyword “willing”. It is built from 止 (stop) and 月 (moon). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “stop” + “moon”. 肯 is among the results, together with every other character containing the same shapes.
Open 肯 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.