Here's what rhymes with oncs.
Words that almost rhyme with oncs
monks chunks bunks junks trunks drunks once us months ducks ups bucks hunts tusks husks shunts sucks thus bus cuts flux pulse cups nuts trucks ducts fronts huts pus cults fuss guts busts butts crux cuffs cusps gusts lusts puffs shuts tufts dusts grunts mus muss pulps pups ruts stunts adults plus pumps trusts jumps lumps truss adjusts bluffs bumps crusts dumps stuffs thrusts beauteous corrupts mumps results clumps insults repulse struts stumps trumps woodcuts discuss conducts confronts interrupts aqueducts consults disrupts instructs coconuts obstructs constructs superfluous