- Twelfth Num Noun
- Twelfthly Adv
- Twelve Num
- Twelvefold Adj Adv
- Twelvemo Noun Adj
- Twelvemonth Noun Adj
- Twelvemonths Noun
- Twelvepence Noun
- Twelvepenny Adj
- Twelver Noun Adj
- Twentieth Num
- Twenty Num
- Twenty-eight Num
- Twenty-eighth Num
- Twenty-fifth Adj Noun Num
- Twenty-first Num
- Twenty-fourth Adj Noun Num
- Twenty-one Num
- Twenty-second Num
- Twenty-seven Num
- Twenty-seventh Num
- Twenty-sided Adj Noun
- Twenty-six Num
- Twenty-sixth Num
- Twenty-third Adj Noun Num
- Twenty-two Num
- Twentyfold Adj Adv
- Twentyish Adj
- Twerp Noun
- Twibill Noun Adj
- Twice Adv
- Twice-daily Adj Adv
- Twicer Noun
- Twickenham Pnoun Adj
- Twiddle Noun Verb Adj
- Twiddler Noun
- Twiddling Noun Pres. Participle
- Twig Noun Verb Adj
- Twiggier
- Twigginess Noun
- Twigging Noun Pres. Participle
- Twiggy Adj Pnoun
- Twigless Adj
- Twilight Noun Adj
- Twilit Adj
- Twill Noun Verb Adj
- Twilled Past Participle
- Twilling Noun Pres. Participle
- Twin Adj Noun Verb
- Twin-engine Adj Noun
- Twin-screw Adj Noun
- Twinaxial Adj Noun
- Twinberry Noun Adj
- Twine Noun Verb Adj
- Twined Adj Past Participle
- Twiner Noun Adj
- Twinflower Noun
- Twinge Noun Verb
- Twinged Adj Past Participle
- Twingeing Pres. Participle Noun