Kanji grouped under the onyomi reading "ドウ".

Onyomi: ドウ

同 — same, agree, equal
動 — move, motion, change, confusion, shift, shake
道 — road-way, street, district, journey, course, moral, teachings
藤 — wisteria
導 — guidance, leading, conduct, usher
働 — work, (kokuji)
脳 — brain, memory
登 — ascend, climb up