psychotic/sieʹkotik/ adj and noun

• double-space
• doublespeak
• double standard
• double star
• double stopping
• doublet
• double take
• double-talk
• doublethink
• double time
• double tonguing
• double twill
• double up
• double vision
• double whammy
• doubloon
• doubly
• doubt
• doubtful
• doubting Thomas
• doubtless
• douche
• dough
• doughboy
• doughnut