Here's what rhymes with sunnier.
loonier Words that almost rhyme with sunnier
roomier fumier gloomier plumier oozier moodier spookier goofier loopier newsier rubier boozier kookier woozier scuzzier nuclear groovier droopier broodier schoolteacher unrulier nonnuclear proofreader thermonuclear mononuclear antinuclear