Here's what rhymes with lockern.
turn learn burn fern tern yearn churn quern return stern adjourn spurn nocturne concern discern upturn sauterne overturn taciturn unconcern subaltern Words that almost rhyme with lockern
term firm germ worm terme berm perm corm therm affirm sperm squirm confirm infirm reaffirm isotherm reconfirm wheatgerm endosperm angiosperm gymnosperm