• 擬音語ぎおんご — onomatopoeia; sound-mimicking words
• 擬態語ぎたいご — mimetic words describing manner or state
• 擬人化ぎじんか — personification
• 模擬試験もぎしけん — mock exam; trial examination
• 擬まがい物もの — imitation item; fake

With the hand radical 扌, 擬 expresses a hand attempting to "re-create" something — copying its shape, sound, or behavior. The idea of imitation and resemblance naturally follows.