For the last time:
Breath is what you take, breathe is the act of taking breaths.
Spelt is a grain, spelled is the past tense of spell.
Their, There & They're - Possession, location & contraction, respectively. There shouldn't have to be a Facebook quiz about this!
Width = how wide
Depth = how deep
Heighth = NOT A WORD. Were you thinking of height? Yes, I think you were.
That is all.