- yokel
- yokelish
- yokel-like
- yoko ono
- yokohama
- yokuts
- yolk
- yolk sac
- yom kippur
- yom kippur war
- yon
- yonder
- yore
- york
- yorkshire
- yorkshire fog
- yorkshire pudding
- yorkshire terrier
- yorktown
- yoruba
- yosemite
- yosemite falls
- yosemite national park
- yosemite toad
- yottabit
- yottabyte
- you bet
- you said it
- you-drive
- young
- young bird
- young buck
- young carnivore
- young fish
- young girl
- young lady
- young mammal
- young man
- young person
- young turk
- young woman
- young-bearing
- young-begetting
- younger
- youngish
- youngness
- young's modulus
- youngster
- youngstown
- younker
- youth
- youth crusade
- youth culture
- youth gang
- youth hostel
- youth movement
- youth subculture
- youthful
- youthfully
- youthfulness
- youth-on-age
- yowl
- yo-yo
- ypres
- yquem
- yr
- y-shaped
- ytterbite
- ytterbium
- yttrium
- yuan
- yuan dynasty
- yucatan
- yucatan peninsula
- yucatec
- yucateco
- yucca
- yucca aloifolia
- yucca baccata
- yucca brevifolia
- yucca carnerosana
- yucca elata
- yucca filamentosa
- yucca glauca
- yucca gloriosa
- yucca smalliana
- yucca whipplei
- yucky
- yue
- yue dialect
- yugoslav
- yugoslavia
- yugoslavian
- yugoslavian dinar
- yugoslavian monetary unit
- yukawa
- yukon
- yukon river
- yukon territory
- yukon time
- yukon white birch
- yule
- yule log
- yuletide
- yuma
- yuman
- yummy
- yunnan
- yunnan province
- yuppie
- yurak-samoyed
- yuri alekseyevich gagarin
- yuri gagarin
- yurt
- yves tanguy