寡 is a Japanese kanji written with 14 strokes, listed here under the keyword “widow”. It is built from 宀 (roof), 頁 (page) and 刀 (sword). In Remembering the Kanji by James W. Heisig it is frame 664.
On KumiJi Glyph Explorer, open the parts search and type “roof” + “page” + “sword”. 寡 is among the results, together with every other character containing the same shapes.
Open 寡 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.