forth / fourth [forθ]
forth – adv. (only in set phrases and after certain verbs, especially bring, come, go and set) – 1. forward; into view; 2. onward in time; 3. forwards; 4. out from a starting point
fourth – n., adj. & adv. – n. – 1. the position in a sequence corresponding to that of the number; 2. something occupying this position; 3. each of four equal parts of a thing; a quarter; 4. the fourth and often highest in a sequence of gears; 5. in music, an interval or chord spanning four consecutive notes in the diatonic scale; adj. – that is the fourth; adv. – in the fourth place, fourthly