討 is a traditional Chinese hanzi, listed here under the keyword “to discuss”. It is built from 言 (words) and 寸 (inch). It appears as a component in 2 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “words” + “inch”. 討 is among the results, together with every other character containing the same shapes.
Open 討 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.