Minimal Pairs

/θ/ (voiceless dental fricative)   –   /d/ (voiced alveolar plosive)
thighdie
threaddread
thindin
thorndawn
themedeem
thugdug
Perthpurred
worthword
faithfade
Keithkeyed
bathbard
berthbird
bothbode
deathdead
deathlydeadly
fourthford
hearthhard
northgnawed
authororder
Cathycaddy