Solutions In a secret way has 5 entries with similar clues

• 4-letter words
• pathPrivate secretary almost on the way
• 5-letter words
• slinkMove quietly in a secretive way
• 8-letter words
• sardonicMocking in a disdainful cynical way or sarcastic way
• 9-letter words
• kitchenerField marshal, made secretary of state for war in 1914, d. 1916 on his way to Russia
• 18-letter words
• tell-not-to-a-soulKeep a secret very well, in a way