恩 is a Chinese hanzi, listed here under the keyword “kindness”. It is built from 因 (cause) and 心 (heart). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “cause” + “heart”. 恩 is among the results, together with every other character containing the same shapes.
Open 恩 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.