KEY: Clandestine.
SYN: Furtive, secret, {[ely]?}, stealthy, surreptitious, hidden,disguised, concealed, private, underhand.

• Lowering
• Lower \v
• Lowly
• Lowness, [See LOW]
• Loyal
• Loyalty
• Lubricate
• Lucent, [See LIMPID_and_LUCID]
• Lucid
• luckiest, [See CHANCE_and_LUCKY]
• Luck, [See CHANCE]
• Lucky
• Lucrative, [See PROFITABLE]
• Lucre
• Lucubration
• Luculent, [See LUCID]
• Ludicrous
• Lugubrious, [See LUDICROUS]
• Lull_
• Lull \v
• Lu_lose, [See LIMPID]
• Lumber
• Lumber \v
• Luminary
• Luminous, [See LUCID]