1900. One small addition to these characters would make them very different. How? ⺾+人+一 一+各 一+反 刃+、+U 毎


Answer:

⺾+人+一  The "Kusakanmuri" radical - grass / JIN, NIN, hito - person / ICHI, ITSU, hito(tsu) - one

一+各  ICHI, ITSU, hito(tsu) - one / KAKU, onoono - each, every, various

一+反  ICHI, ITSU, hito(tsu) - one / HAN, HON, tane, so(ru) - anti-, bend back

刃+、+U  JIN, ha - blade / Comma / Alphabet "U"

毎  MAI, goto - every

Add 小 (SHOU, chii(sai), ko - small) for a big change!

茶  CHA, SA - tea 

格  KAKU, KOU - standard, rule

板  HAN, BAN, ita - board

忍  NIN, shino(bu), shino(baseru) - hide, stealth, bear, endure, conceal

悔  KAI, ku(iru), ku(yashii), ku(yamu) - regret, mourn, vexing