Here's what rhymes with betaines.
chains pains panes gains planes veins brains plains trains drains rains reigns reins stains attains lanes mains pertains canes manes seines vanes terrains wanes grains strains domains maintains obtains retains cranes moraines abstains appertains disdains ordains skeins sprains contains remains campaigns sustains entertains regains explains complains aeroplanes hurricanes refrains restrains quatrains constrains floodplains Words that almost rhyme with betaines
dames names games blames lames shames claims flames frames proclaims disclaims exclaims days tales pays tails bales bays babes dais jails daze pails baize bathes dales jays pales paves ways details phase plays raise sales waves fails gaze males praise rays nails shades trades blades blaze caves lays maize maze raids rails sails saves stays trails arrays fades haze maids mails prays trays weighs whales chaise fays gales gays obeys parades plagues spades staves veils abbeys braids braves knaves lathes vales wails blase hails laths naves nays preys raves yeas decades phrase slaves essays grades scales delays labours entails graves assays behaves betrays glaze pervades appraise craze decays graze snails sprays ablaze amaze avails ballets bouquets craves glades strays sways assails emails evades grays greys pigtails quails repays slays sleighs tirades topsails displays surveys nowadays prevails brigades cafes malaise portrays arcades invades degrades mayonnaise persuades upgrades blockades brocades cabarets dossiers stockades travails valets holidays conveys waterways amylase barricades cascades cliches crusades grenades escapades palisades accolades exhales overlays proteges rephrase schooldays paraphrase colonnades emigres runaways balustrades masquerades promenades renegades fingernails microwaves communiques