Minimal Pairs

/θ/ (voiceless dental fricative)   –   /ð/ (voiced dental fricative)
thighthy
mouth (noun)mouth (verb)
teeth (noun)teethe (verb)
wreath (noun)wreathe (verb)
ethereither
cloths (noun)clothes (noun – vowel change)
cloth (noun)clothe (verb – vowel change)
bath (noun)bathe (verb – vowel change)
breath (noun)breathe (verb – vowel change)
sooth (adj. or noun)soothe (verb)