参
JLPT HSK 3

cān, shēn, cēn
From top: nose ム (a nose in side view), big 大, hairy 彡 (Originally this was the image of a kneeling woman 女 = くノ一 with long hair 彡 (possibly with hairpins 八 ?), with the meaning: beautiful)
Where the kneeling woman ム with the big hair is, I would like to participate.

	惨
JLPT HSK 6

cǎn
Left: feeling 忄, right: to participate 参 (Where the simplified woman ム with the big 大 hair 彡 is, I like to participate.)
The feeling that my nose is big and hairy makes me miserable.

	渗
JLPT HSK 6

shèn
Left: water 氵, right: participate 参 (Where the simplified woman ム with the big 大 hair 彡 is, I like to participate.)
If water participates, it seeped in.

	掺
JLPT no HSK

chān, shǎn
Left: hand 扌, right: participate 参 (Where the simplified woman ム with the big 大 hair 彡 is, I like to participate.)
A hand that participates is: mixing.