Solemnly
2 verses in 2 books of the King James Bible.
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Every Occurrence
Genesis 43:3And Judah spake unto him, saying, The man did solemnly protest unto us, saying, Ye shall not see my face, except your brother be with you.
1 Samuel 8:9Now therefore hearken unto their voice: howbeit yet protest solemnly unto them, and shew them the manner of the king that shall reign over them.