| Y (yttrium) | y | Y H Brenner |
| Y chromosome | y-axis | y. (yard) |
| y. (year) | Yaacov | Yaacov Agam |
| Yaacov Tsur | Yaakov | Yaakov Dori |
| Yaari | yacc (Yet Another Compiler Compiler) | yacht |
| yacht anchorage | yacht club | yachter |
| yachting | yachtsman | yachtsmanship |
| yachtswoman | yack | yacker |
| Yad Avshalom | Yad Lebanim memorial | Yad Lebanim organization |
| Yad Mordekhay | Yad Sarah | Yad Vashem Memorial |
| Yadlin | Yadlin affair | Yael |
| Yael Arad | Yaffa | Yaffa Yarkoni |
| Yafo | Yahav Civil Servants Bank | Yahoo |
| yahoo | yahoo! | yahrzeit |
| Yahweh | yahwist | Yair |
| Yair Stern | Yair Tsaban | yak |
| Yakir | yakitori | Yakult Honsha Co., Ltd. |
| Yakut | yakuza | Yale |
| Yale lock | Yalta | Yalta Conference |
| yam | Yama | Yamaguchi |
| Yamaha | Yamaha Corporation | Yamaha Motor Co., Ltd. |
| Yamaha Motor Corporation | Yamato | Yamato Kogyo Co., Ltd. |
| Yamato period | Yamato Transport Co., Ltd. | yammer |
| yammerer | Yamoussoukro | Yang |
| Yangon | Yangtze | Yaniv |
| Yank | yank | yank off |
| Yankee | Yankee Doodle | yankeeism |
| Yannai | Yanomami | yanqui |
| Yanush Korczak | Yaounde | yap |
| yapper | yard | yard bird |
| yard pet | yard sale | yardage |
| yardarm | yardbird | Yardena |
| Yardena Arazi | yardman | yardmaster |
| yardstick | Yaren | Yariv |
| Yarkon | Yarkon Cemetery | Yarkoni |
| yarmelke | Yarmuch | Yarmuch river |
| yarmulka | yarmulke | yarn |
| yarovize (Amer.) | yarrow | Yasha Hefets |
| yashmak | Yassar | Yassar Arafat |
| Yasser | Yasser Abed Rabbo | Yasser Arafat |
| Yassir | Yassir Arafat | yatagan |
| yataghan | Yated Neeman | yaupon |
| Yavne | yaw | yaw rate |
| Yaweh | yawl | yawn |
| yawner | yawning | yawning chasm |
| yawp | yawper | yaws |
| YBS (You'll Be Sorry) | yd. (yard) | yds. (yards) |
| ye | yea | yea and nay |
| yeah | year | year after year |
| year by year | year in year out | year of manufacture |
| year of maturity | year of mourning | year of the comet |
| yearbook | yearling | yearlong |
| yearly | yearly event | yearn |
| yearn for home | yearned for | yearning |
| yearningly | years | years ago |
| years in prison | years of experience | yeas and nays |
| yeast | yeast cake | yeast cell |
| yeast dough | yeast powder | yeastiness |
| yeastlike | yeasty | yecch |
| Yediot Aharonot | Yedioth Ahronoth | yegg |
| yeggman | Yeheskiel Harmlekh | Yehiya Ayash |
| Yehonatan | Yehoram Gaon | Yehoshua |
| Yehoshua Hankin | Yehoshua Shtampfer | Yehoshua Sobol |
| Yehuda | Yehuda Amikhai | Yehuda Burla |
| Yehuda haLevi | Yehuda haMaccabi | Yehuda haNasi |
| Yehuda Leib Gordon | Yehuda Poliker | Yehudah |
| Yehudah Zisapel | Yehudi Menuhin | Yehudit |
| Yehudit Ravits | yelk | yell |
| yell an order | yell with pain | yelled at him |
| yeller | yelling | yello |
| yellow | yellow belly | yellow belt |
| yellow card | yellow fever | yellow gold |
| Yellow Jackets | yellow journalism | yellow light |
| yellow livered | yellow metal | yellow pages |
| yellow press | yellow race | Yellow Sea |
| yellow spot | Yellow Submarine | yellow-green |
| yellowed | yellowing | yellowish |
| Yellowknife | yellowness | Yellowstone |
| yellowwood | yellowy | yelp |
| Yeltsin | Yelzin | Yemen |
| Yemeni | Yemenite | Yemenite citizen |
| Yemenite step | Yemin Moshe | yen |
| yeoman | yeomanly | yeomanry |
| yep | yer | Yerevan |
| Yerk | yerk | Yerucham Meshel |
| Yeruham | yes | yes and no |
| yes and no man | yes man | yes siree |
| Yesha (Yehuda, Shomron, and Aza) | Yesha Council | Yeshayahu |
| Yeshayahu Leibovits | yeshiva | Yeshiva student |
| Yeshiva University | yeshivah | Yeshivat Hesder |
| yeshivot (yeshiva) | Yeshurun | Yesod Hamaalah |
| yesterday | yesterday morning | yesterday's news |
| yestereve | yesterevening | yesternight |
| yesteryear | yesteryear's snow | yestreen |
| yet | yeti | Yetsiat Europa |
| Yevgeny | Yevgeny Primakov | yew |
| YG (Young Gentleman) | Yhwh | Yiddish |
| Yiddish literature | Yiddish theater | yield |
| yield benefits | yield ground | yield the breath |
| yield to fate | yielded profits | yielded to the temptation |
| yielding | Yigal | Yigal Alon |
| Yigal Cohen-Orgad | Yigal Horowitz | Yigal Mosinzon |
| Yigal Yadin | Yihie | Yin |
| yip | yipee | yippee |
| yippie | Yishai | Yisrael |
| Yisrael Be'aliyah Party | Yisrael Kessar | Yisrael Lau |
| Yitzchak | Yitzchak Navon | Yitzhak |
| Yitzhak Ben-Aharon | Yitzhak Modai | Yitzhak Rabin |
| Yitzhak Shamir | Yitzhaki | Yizhaq |
| Yizhaq Abravanel | Yizhaq Tabenkin | Yizhar |
| Yizhar Smilanski | YL (Young Lady) | YM (Young Man) |
| YMCA (Young Men's Christian Association) | YMHA (Young Men's Hebrew Association) | YMODEM |
| YMODEM protocol | yo | yo yo |
| yo-ho | yobo | Yochai |
| Yochanan | Yochanan Bader | yod |
| yodel | yodeler | yodeller |
| Yoel | Yoel Moshe Salomon | yoga |
| yoga exercises | yoghurt | yogi |
| yogurt | yogurt ice-cream | Yohanan |
| Yohay | yoke | yoke of oxen |
| yokel | Yokneam | Yokohama |
| yolk | yolk sac | yolked |
| yom | Yom Kippur | Yom Kippur War |
| Yom Truah | yon | Yona |
| Yona Wallach | Yonatan | Yonatan Ratosh |
| Yonathan | yonder | Yoni |
| Yoni Netanyahu | Yoni Rechter | Yonkers |
| yoo hoo | yoof | Yoram |
| Yoram Aridor | Yoram Kanyuk | Yoram Oberkovich |
| yore | Yoreh Deah | York |
| York University | York-Benimaru Co., Ltd. | yorker |
| Yorks | Yorkshire | Yorkshire pudding |
| Yorkshire terrier | Yorktown | Yoruba |
| Yosef | Yosef Caro | Yosef Lapid |
| Yosef Lishansky | Yosef Milo | Yosef Sprinzak |
| Yosef Trumpeldor | Yosemite | yosemite national park |
| Yoseph | Yosi | Yossef |
| Yossi | Yossi Banay | Yossi Beilin |
| Yossi Sarid | Yotam | yottabyte |
| Yotvata | Yotvata Dairy | you |
| you all | you amuse me | you are |
| you are a beauty | you are barking up the wrong tree | you are definitely a piece of something |
| you are history | you are really something | you are right |
| you are telling me? | you are welcome | you bet |
| you bet your life | you bet! | you betcha |
| you can never know | you can see for yourself | you can't always get what you want |
| you can't miss it | you can't say a without saying b (obviously, of course, naturally, it goes without saying) | you cannot eat your cake and have it |
| you don't have the guts | you don't know what you are saying | you don't say! |
| you have a smart mouth | you have hit it! | you have nothing to worry about |
| you know | you never can tell | you ought to know |
| you scratch my back and I'll scratch yours | you shouldn't have | you suck |
| you there! | you'd (you would) | you'll (you will) |
| You'll Be Sorry | you'll hear from me | you're (you are) |
| you're a dead man | you're barking up the wrong tree | you're going to pay for this |
| you're telling me? | you're the boss | you're welcome |
| you've (you have) | you've got the wrong guy | you've got to be kidding! |
| you've made your bed now lie in it | young | young and old |
| young at heart | young audience | young blood |
| young bull | young couple | young deer |
| young for his age | young genius | young gentleman |
| young girl | young goat | young horse |
| Young Judah | young lady | young lion |
| Young Maccabi | young man | young master |
| young men's christian association (ymca) | young people | young talents |
| Young Turks | young women's christian association (ywca) | young women's hebrew association (ywha) |
| younger brother | younger generation | younger sister |
| youngest child | youngish | youngling |
| youngster | Youngstown | your |
| your excellency | your fly is undone | your highness |
| your honor | your humble servant | Your Ladyship |
| your letter of the | Your Lordship | your loving friend |
| your obedient servant | your time zone | your whole life is before you |
| yours | yours faithfully | yours sincerely |
| yours truly | yourself | yourselves |
| youth | Youth Aliyah | Youth and Hehalutz Department |
| youth battalions | Youth Culture and Art Projects | youth delegation |
| youth department | youth employment project | youth fare |
| youth hostel | youth in distress | youth instructor |
| youth movement | youth organization | youthful |
| youthfully | youthfulness | yowl |
| yperite | Ypres | yr. (year) |
| yr. (your) | yrs. (years) | yrs. (yours) |
| ytterbic | ytterbium | yttrium |
| YU (Yeshiva University of New York) | Yuan | yuan |
| Yucatan | Yucatan Peninsula | yucca |
| yucky | Yugoslav | Yugoslavia |
| Yugoslavian | Yugoslavian citizen | yukata |
| Yukon | Yul Brynner | Yule |
| yule block | yule log | Yuletide |
| Yuma | yummy | yuppie |
| yuppify | yurt | yurta |
| Yushin Precision Equipment Co., Ltd. | Yuval | Yuval Neeman |
| Yves | Yves Montand | Yves Saint-Laurent |
| YWCA (Young Women's Christian Association) | YWHA (Young Women's Hebrew Association) | |
