Solemnity rhymes with:
indemnity, indemnity, affinity, alkalinity, amenity, community, conaty, dignity, disunity, divinity, eternity, femininity, fraternity, gaynatie, immunity, indemnity, indignity, infinity, inhumanity, insanity, masculinity, mcginnity, modernity, opportunity, profanity, salinity, sanity, serenity, trinity, unity, vanity, vicinity
Solemnity sounds like:
salant, salient, salinity, salmond, schlund, schoolmate, sealand, sealant, selenite, selinda, selland, shelnutt, silent, skoglund, slammed, slant, slanted, slimmed, soland, squillante, succulent, swaziland