Tjarks rhymes with:
arcs, arx, barkes, barks, clark's, clarke's, clarks, embarks, harks, larks, marcks, mark's, marks, marques, marx, park's, parkes, parks, parks', quarks, remarks, sharks, sparkes, sparks, stark's, starkes, starks, vonarx
Tjarks sounds like:
takers, taxers, tchuruk, teacher's, teachers, teachers', tesoro's, thackery's, thatcher's, thatchers, theocracy, thesaurus, tigar's, tiger's, tigers, tigers', tigris, tokarczyk, tokars, tokarski, tokarz, tucker's, tweezers