Here's what rhymes with happily.
unhappily Words that almost rhyme with happily
family apathy rapidly faculty agony vanity fallacy sanity lazily avidly handily acidly affably cavalry cavity fantasy angrily atrophy canopy handsomely malady salivary alchemy laminae thankfully gravelly manfully palpably scantily rascally rhapsody callously passably satiny voracity wrathfully reality analogy gravity morality vitality anxiously balcony financially insanity randomly amnesty audacity chastity duality finality galaxy tapestry calumny fatality gallantly infallibly laxity opacity valiantly absently tactfully captaincy craftily uncannily falconry inanity tangibly capacity practically strategy tragedy anatomy locality majesty academy calamity totality blasphemy elaborately formality gallantry legality alacrity frugality patently profanity rapacity tonality travesty banditry basketry baptistery gadgetry mortality substantially bankruptcy nationality neutrality sexuality brutality generality mentality depravity liberality normality partiality philanthropy barbarity unreality disastrously pageantry transiently triviality geniality implacably physicality hospitality actuality catastrophe incapacity sensuality commonality inhumanity irrationality circularity satisfactorily abnormality universality potentiality understandably dissimilarity bisexuality conviviality theatricality municipality spirituality practicality congeniality corporeality particularity territoriality homosexuality confidentiality