A primitive root; to coo or chirp (as a bird) -- chatter, peep, whisper.
Englishman's Concordance
1) (Pilpel) to chirp, peep 1a) of birds 1b) of ghosts Part of Speech: verb A Related Word by BDB/Strong’s Number: a primitive root Same Word by TWOT Number: 1957
Isaiah 8:19 HEB:וְאֶל־ הַיִּדְּעֹנִ֔ים הַֽמְצַפְצְפִ֖ים וְהַמַּהְגִּ֑ים הֲלוֹא־ NAS: and the spiritists who whisper and mutter, KJV: and unto wizards that peep, and that mutter: INT: and to the spiritists whisper and mutter should not
Isaiah 10:14 HEB:וּפֹצֶ֥ה פֶ֖ה וּמְצַפְצֵֽף׃ NAS: or opened [its] beak or chirped. KJV: or opened the mouth, or peeped. INT: opened beak chirped
Isaiah 29:4 HEB:וּמֵעָפָ֖ר אִמְרָתֵ֥ךְ תְּצַפְצֵֽף׃ NAS: And your speech will whisper from the dust. KJV: and thy speech shall whisper out of the dust. INT: the dust and your speech will whisper
Isaiah 38:14 HEB:עָגוּר֙ כֵּ֣ן אֲצַפְצֵ֔ף אֶהְגֶּ֖ה כַּיּוֹנָ֑ה NAS: so I twitter; I moan KJV: [or] a swallow, so did I chatter: I did mourn INT: a crane so twitter moan A dove