• difficult
• difficulty
• difficulted
• difficulter
• difficultly
• difficultate
• difficultest
• difficulties
• difficulting
• difficultated
• difficultness
• difficultating
• difficulty level
• difficulty levels
• difficult nut to crack
• difficult nuts to crack
• difficult pill to swallow
• difficult pills to swallow

difficult (suomeksi)

• vaikea (a: hard, not easy)
• hankala (a: hard, not easy)