疲れ【つかれ】
tiredness, fatigue
疲労【ひろう】
fatigue, weariness, exhaustion, tiredness, fatigue (of metal, etc.)
疲弊【ひへい】
exhaustion, fatigue, impoverishment, (financial) exhaustion, ruin
疲れる【つかれる】
to get tired, to tire, to get fatigued, to become exhausted, to grow weary, to become worn out (of a well-used object), to starve
疲れ果てる【つかれはてる】
to get tired out, to be exhausted