Submerse rhymes with:
emerse, immerse, merce, adverse, averse, bearce, bearse, bearss, biodiverse, burse, coerce, curse, disburse, disperse, diverse, emerse, furse, hearse, immerse, intersperse, inverse, kearse, kerce, merce, nurse, obverse, pearse, perce, pers, perse, perverse, purse, rehearse, reimburse, reverse, scearce, terse, transverse, vers, verse, worse
Submerse sounds like:
shipowners, sophomores, sophomoric, souvenirs, spinner's, spinners, submerge