坒 is a Chinese hanzi, listed here under the keyword “to compare”. It is built from 比 (to compare) and 土 (soil). It appears as a component in 5 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “to compare” + “soil”. 坒 is among the results, together with every other character containing the same shapes.
Open 坒 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.