ボツ、モツ

おぼ.れる、しず.む、ない

没, 氵, 殳, 几, 丿, 又

drown, sink, hide, fall into, disappear, die

沈没(ちんぼつ): sinking; foundering; going down; submersion
没落(ぼつらく): ruin; fall; collapse
没収(ぼっしゅう): forfeiture; seizure; confiscation; impounding