嗅 is a Japanese kanji written with 13 strokes, listed here under the keyword “sniff”. It is built from 口 (mouth) and 臭 (stinking). In Remembering the Kanji by James W. Heisig it is frame 129.
On KumiJi Glyph Explorer, open the parts search and type “mouth” + “stinking”. 嗅 is among the results, together with every other character containing the same shapes.
Open 嗅 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.