Consonant Sound Pair
Voiceless /Θ/ & Voiced /ð/

Sound-Spelling Pattern

Voiceless /Θ/ at the beginning of Content Words nouns, adjectives, verbs	Voiced /ð/ at the beginning of Function Words
theater thread thumb Thursday three third thirteen thirty thousand thick thin thorough think thought thanks throw threw thrown through	the this that these those they them than thus though homophones they're their there