2170. What's the common thread linking these five groups of kanji? 善 帝 己 イ+住+一 シ+主+刀


善  ZEN, yo(i) - good

帝  TEI - emperor

己  KO, KI, onore - self

住+一  JUU, sumu - live / ICHI, ITSU, hito(tsu) - one

シ+主+刀  Katakana "Shi" or The "Sanzui" radical - water / SHU, nushi, omo - lord, main / TOU, katana - sword

Add 糸 (SHI, ito - thread) to make different characters:  

繕  ZEN, tsukuro(u) - repair, mend

締  TEI, shi(meru), shi(maru) - tie, tighten

紀  KI - narrative, history

維  I - tie, rope

潔  KETSU, isagiyo(i) - pure, brave, manly, righteous, pure