窘 is a Chinese hanzi, listed here under the keyword “embarrassed”. It is built from 穴 (cave) and 君 (sovereign). It appears as a component in 1 other character in this index.
On KumiJi Glyph Explorer, open the parts search and type “cave” + “sovereign”. 窘 is among the results, together with every other character containing the same shapes.
Open 窘 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.