skill - ability, competence, expertise, dexterity⏎
warranty - guarantee, security⏎
task - job, duty, piece of work⏎
sundry - various, many, unimportant⏎
void - nullify, not legal, invalid (contract)⏎
whistle-blower - informer⏎
smart - intelligent, clever, advanced (technology)⏎
seller - vendor, trader⏎
satisfactory - acceptable, sufficient, good enough⏎