Detach
Remove / Disconnect / Separate
Estimate
Guess
Fatigued
Tired / Exhausted / Weary
Cease
End / Halt / Stop
Sickness
Illness / Ailement
Hard
Difficult / Strenuous
Draw
Sketch
Commence
Begin / Start
Cheerful
Happy / Joyful / Glad
Obtain
Get / Acquire
Honest
Truthful / Sincere / Frank