One syllable words that rhyme with ruck_up
bruck, buc, buck, chuck, cluck, druck, duc, duck, duk, fluck, fuck, gluck, guck, huck, hucke, kluck, kruck, kruk, kuc, kuck, kuk, luck, lucke, luk, mruk, muck, pluck, puck, ruck, schmuck, schuch, schuck, shuck, smuck, snuck, struck, stuck, stucke, suck, suk, truck, tuck, wnuk, wruck, yuck, yuk, zuck, zuk