聶
ショウ, ジョウ, ニョウ, ささや.く

whisper

JLPT0 G13 S0 F5000

An element# doubling 耳 ear (= ears) + another 耳 ear → ears figuratively pressed to a whispered voice (or, actually pressed to the lips of the whisperer) → *whisper*.

[Full Kanji Etymology List]