Minimal Pairs

/θ/ (voiceless dental fricative)   –   /t/ (voiceless alveolar plosive)
thightie
threadtread
thintin
thorntorn
themeteam
thugtug
bothboat
deathdebt
faithfate
fourthfort
hearthheart
berthBert
heathheat
northnought
mathsmats
pathpart
Ruthroot
toothtoot
ethereater
Marthamartyr