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naiveness

noun

• naivete
• naivety
• quality

antonyms

• sophistication

sounds kind of like

• napping
• ninepence
• ninepins
• nipping
• nipponese
• non-paying
• nonbeing
• nonmoving
• nonopening
• nonvenomous
• nubbiness
• numbing
• numbness
• nymphomaniac