raiding — a sudden assault or attack, as upon something to be seized or suppressed: a police raid on a gambling ring.
shading — the comparative darkness caused by the interception or screening of rays of light from an object, place, or area.
trading — the act or process of buying, selling, or exchanging commodities, at either wholesale or retail, within a country or between countries: domestic trade; foreign trade.
wading — to walk in water, when partially immersed: He wasn't swimming, he was wading.
horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
parading — a large public procession, usually including a marching band and often of a festive nature, held in honor of an anniversary, person, event, etc.
Four-or-more syllable rhymes
bill of lading — (in foreign trade) a document containing full particulars of goods shipped or for shipment
masquerading — a party, dance, or other festive gathering of persons wearing masks and other disguises, and often elegant, historical, or fantastic costumes.
program trading — trading on international stock exchanges using a computer program to exploit differences between stock index futures and actual share prices on world equity markets
serenading — a complimentary performance of vocal or instrumental music in the open air at night, as by a lover under the window of his lady.
Four-or-more syllable rhymes
insider trading — the illegal buying and selling of securities by persons acting on privileged information.