馊

so̅u = s + ou1

rancid / soured (as food)

馊 character breakdown

馊
- 叟
  - 支
    - 十
      - 一
      - 丨
    - 又
      - ㇏
      - ㇇
  - 臼
- 饣

sǒu = s + ou3

old gentleman / old man

叟 = 支 + 臼 : Socrates (s) is cooking with the old gentleman (叟) in the outhouse (ou3). They use mortars (臼) to process branches (支) which they want to use to cook a soup.

饣

飠

shí = sh + Ø2

"to eat" or "food" radical in Chinese characters (Kangxi radical 184)

Mnemonic symbol: a Chinese cruller.

Sherlock Holmes is eating a Chinese cruller in the space station's entrance. The crane flew by and gave it to him.