§ 105. Th.
= t in: Thomas1), Thames, Theresa, Thomson, Anthony, Chatham, Esther, Thibet, thyme, asthma, isthmus, phthisis2).
§ 106. Th is vciceless:
t think. thigh.
Exc. in Articles, Pronouns and Adverbs; the principal ones being:
the, this, these, that, those, thou, thy, thee, they, their, them, than, then, there, thence, though, thither.
Exc. in: booth, smoolh, with,
to mouth, to smooth, to bequeath.
But in: forthwith the second syllable has astrong secondary stress; that is why most people pronounce the final th voiceless.
Note: Before the s of the plural:
th remains voiceless after consonants and short vowels:
*) Cf. Tom. ') See § 97.