- Yarely Adv.
- Yawningly Adv.
- Yay Inter. Subst. Adj. Adv.
- Yea Inter. Subst. Adv.
- Yeah Inter. Adv. Subst.
- Year-round Adj. Adv.
- Yearly Adj. Adv.
- Yearningly Adv.
- Yeastily Adv.
- Yellowly Adv.
- Yeomanly Adj. Adv.
- Yep Inter. Adv.
- Yester Subst. Adj. Adv.
- Yesterday Adv. Subst.
- Yesterevening Subst. Adv.
- Yestermorn Subst. Adv.
- Yestermorning Subst. Adv.
- Yestern Adj. Subst. Adv.
- Yesternight Subst. Adv.
- Yesteryear Subst. Adv. Adj.
- Yestreen Subst. Adv.
- Yet Adv. Konj.
- Yieldingly Adv.
- Yon Pron. Adj. Adv.
- Yond Adj. Adv. Pron.
- Yonder Subst. Adj. Adv. Pron.
- Yore Subst. Adv.
- Youthfully Adv.
- Youthly Adj. Adv.
- YoY Adj. Adv. Subst.
- YTD Adj. Subst. Adv.