坴 is a Chinese hanzi, listed here under the keyword “a clod of earth”. It is built from 圥 (mushroom) and 土 (soil). It appears as a component in 13 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “mushroom” + “soil”. 坴 is among the results, together with every other character containing the same shapes.
Open 坴 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.