Y is youthful. This page lists 166 eight-letter words starting with Y — every one verified and organized alphabetically. Young, yellow are joined by longer forms.
Y-endings like -ly turn 7-letter adjectives into 8-letter adverbs.
Eight-letter words (and seven-letter words) reward pattern recognition over memorization. Most are built from shorter stems with common prefixes and suffixes. Learn to spot -ING, -TION, -NESS, -MENT, and -ABLE endings, and you'll unlock hundreds of words at once. Prefixes like RE-, UN-, PRE-, and DIS- are equally productive — strip them mentally and the stem underneath is often a word you already know.
For Scrabble players: eight-letter words are one tile short of a bingo, which means they're perfect setup plays. Drop a eight-letter word on a double-word square and you're threatening a 50-point bingo next turn. Your opponent has to block you, which opens the board elsewhere.
For crossword solvers: use your browser's find function (Ctrl+F) to search within this page. If you know the word starts with Y and has a specific pattern, scanning this focused list is far faster than guessing from the full dictionary.