Here's what rhymes with lightcone.
coney bony pony phony barony mony crony phoney pone tony boney stony baloney bologna stoney boloney antimony macaroni neurone ratione abalone pepperoni rezone tortoni acrimony alimony synchrony telephony minestrone cannelloni ciceroni palimony rigatoni nosecone testimony ceremony glutathione matrimony patrimony cosmogony parsimony chalcedony sanctimony dexamethasone Words that almost rhyme with lightcone
foamy homey loamy homy lobotomy coli cozy cocci cosy goalie goalies coley holy wholly lonely foci loci lowly rosy showy trophy coyote peyote poesy soapy sowie yogi bogey soli doughy nosy novae posy bogy dopey hokey lowlier nosey poky toady blowsy drolly fogey fogy gnocchi holey joey jokey mosey pokey blowy blowzy bocce croaky dozy roadie dogie hoagie joky mopey ropey togae bocci boccie croci dopy mopy pirogi poncy dogy hoagy closely slowly solely grossly coldly ghostly homely snowy adobe smoky moldy mouldy throaty folksy smokey toasty bolshie bolshy baulky mostly boldly poultry pedagogy emboli soldiery unholy anchovy karaoke morosely shallowly gladioli hollowly ignobly jocosely ravioli frowsty mellowly hypertrophy remotely nucleoli soldierly precociously supernovae cuckoldry mafiosi verbosely immunoassay guacamole grandiosely radioimmunoassay