speech. Hebrew "lip", put by Figure of speech Metonymy (of Cause), App-6, for what is spoken by it.
fool. Hebrew. nabal. See note on Proverbs 1:7. Not the same word as in verses: Proverbs 17:10; Proverbs 17:12; Proverbs 17:16; Proverbs 10:24; Proverbs 10:25.
lips. See above note.