- Six-dimensional Adj
- Six-eyed Adj
- Six-figure Adj
- Six-fingered Adj
- Six-hundred-year-old Adj
- Six-legged Adj
- Six-month Adj
- Six-month-long Adj
- Six-pack Noun Adj
- Six-row Adj Noun
- Six-rowed
- Six-sided Adj Noun
- Six-string Adj Noun
- Six-time Adj
- Six-year-old Adj Noun
- Sixer Noun
- Sixfoil Noun Adj
- Sixfold Adj Adv
- Sixing Noun
- Sixmo Noun Adj
- Sixpence Noun Adj
- Sixpenny Adj
- Sixscore Adj Noun Num
- Sixsided Adj
- Sixteen Num
- Sixteen-year-old Adj Noun
- Sixteenth Num
- Sixth Noun Num
- Sixthly Adv
- Sixties Noun Adj
- Sixtieth Adj Noun Adv Num
- Sixty Adj Noun Num
- Sixty-eight Num
- Sixty-eighth Num Noun
- Sixty-fifth Num
- Sixty-first Num
- Sixty-five Num
- Sixty-four Num Noun
- Sixty-fourth Num Noun
- Sixty-nine Num Noun Verb
- Sixty-ninth Num
- Sixty-one Num Noun
- Sixty-second Num
- Sixty-seven Num Noun
- Sixty-seventh Num Noun
- Sixty-six Num Noun
- Sixty-sixth Num
- Sixty-third Num
- Sixty-three Num
- Sixty-two Num
- Sixty-year-old Adj Noun
- Sizable Adj
- Sizably Adv
- Sizar Noun Adj
- Sizarship Noun
- Size Noun Verb Adj
- Size-defining Pres. Participle
- Size-determining Pres. Participle
- Size-free Adj
- Size-sorted Past Participle