Here's what rhymes with retardal.
chordal Words that almost rhyme with retardal
portal barbel chortle marble mortal cordial carpal startle warble carpel corbel garble immortal metacarpal partial dorsal parcel tarsal dawdle toddle doddle jarful model moral normal formal bottle martial coral carnal caudal choral docile larval laurel marshal marvel morsel sparkle auroral sorrel toggle tonsil topple fondle jostle pommel remodel bauble gargle twaddle waddle boggle coddle narwhal bobble borstal joggle noddle potful dongle novel abnormal causal harmful lawful quarrel thoughtful apostle consul forceful fossil immoral impartial floral mournful nozzle watchful wrongful brothel labile resourceful amoral chloral faunal wattle cobble cockle gobble hobble wobble goggle mottle snorkel waffle halal mongol jonquil swaddle nobble stopple elegiacal gospel hostile informal throttle costal debacle hostel metatarsal scornful stromal estoppel glottal slothful subnormal clausal remorseful gambol grovel rhomboidal unmoral contrail escarole godawful mollycoddle barcarole schnozzle patriarchal unlawful colossal matriarchal proconsul squabble paranormal boondoggle supermodel withdrawal ensemble periodontal antenatal horizontal streptococcal staphylococcal postconsonantal