Morbid.
I'm pretty sure nothing rhymes with cosmic
It is a brand name, but Drano rhymes with Plano. Not sure that will fit into a poem or song, but at least it rhymes.
re sure
sure blur her
well i'm not sure but i think qualities rhymes with it. hope that helps. :)
pure, sure, manure,
sure I'll do
sure
The word sure is pronounced "shur" and rhymes with lure and moor.
golden ring or sing
Hermaphradites(not sure on the spelling)
more, tour, sure