naif¹ or naïf/nahʹeef/ adj

naif² or naïfnoun

• threaten
• three
• three-card trick
• three-colour
• three-D
• three-day event
• three-decker
• three-dimensional
• three-handed
• three-legged race
• three-line whip
• three of a kind
• threepence
• threepenny bit
• three-phase
• three-piece
• three-ply
• three-point landing
• three-point turn
• three-quarter
• three-quarter back
• three quarters
• three-ring circus
• three R's
• threescore