10-letter words containing y, o
- isopycnals — Plural form of isopycnal.
- ivory gull — a white, arctic gull, Pagophila eburnea.
- ivory palm — the palm bearing the common ivory nut.
- jabotinsky — Vladimir, 1880–1940, Russian Zionist leader in Palestine.
- jacky howe — (formerly) a sleeveless flannel shirt worn by sheep shearers
- jaculatory — relating to hurling or throwing
- jelly coat — an ovum-produced glycoprotein that causes adhesion of sperm to the ovum; fertilizin.
- jelly roll — a thin, rectangular layer of sponge cake, spread with fruit jelly and rolled up.
- jelly-roll — a thin, rectangular layer of sponge cake, spread with fruit jelly and rolled up.
- jellyrolls — Plural form of jellyroll.
- jnana yoga — a type of yoga based on pure spiritual understanding
- jockey box — a glove compartment, especially in a truck.
- jockey cap — a cap with a long visor, worn by jockeys.
- jockeyship — the art or skill of a jockey
- jocularity — the state or quality of being jocular.
- joey glass — a small tumbler of the 17th century; dram glass.
- john henry — Informal. a person's signature.
- john lynch — John ("Jack") 1917–1999, Irish political leader: prime minister 1966–73, 1977–79.
- john tukey — (person) The eminent statistician credited with coining the term "bit" in 1949.
- john tyler — John, 1790–1862, 10th president of the U.S. 1841–45.
- john wayne — Anthony ("Mad Anthony") 1745–96, American Revolutionary War general.
- johnny law — Andrew Bonar [bon-er] /ˈbɒn ər/ (Show IPA), 1858–1923, English statesman, born in Canada: prime minister 1922–23.
- johnny raw — a novice; new recruit
- johnny reb — U.S. History. a Confederate soldier.
- johnnycake — a cake or bread made of corn meal and water or milk, usually cooked on a griddle.
- jollifying — Present participle of jollify.
- jolly boat — a light boat carried at the stern of a sailing vessel.
- jolly well — Jolly well is sometimes used to emphasize an opinion or intention, and to express annoyance or anger.
- jollyboats — Plural form of jollyboat.
- journeying — a traveling from one place to another, usually taking a rather long time; trip: a six-day journey across the desert.
- journeyman — a person who has served an apprenticeship at a trade or handicraft and is certified to work at it assisting or under another person.
- journeymen — a person who has served an apprenticeship at a trade or handicraft and is certified to work at it assisting or under another person.
- jouy print — toile de Jouy.
- jouysaunce — joy
- jovysaunce — joy
- joy buzzer — a device used for a practical joke with a handshake, concealed in the palm of the hand and producing a buzzing sound and an unpleasant vibrating sensation when it is pressed against the victim's hand.
- joy-popper — Slang. to take a narcotic drug occasionally, but without being an addict.
- joyfulness — full of joy, as a person or one's heart; glad; delighted.
- joyousness — The state of being joyous.
- jubilatory — to show or feel great joy; rejoice; exult.
- judicatory — of or relating to judgment or the administration of justice; judiciary: judicatory power.
- kabaragoya — The water monitor, Varanus salvator, a large lizard of Southeast Asia.
- karyograms — Plural form of karyogram.
- karyologic — of or relating to karyology
- karyolymph — The liquid part of the nucleus of a cell.
- karyolysis — the dissolution of a cell nucleus.
- karyoplasm — nucleoplasm.
- karyosomes — Plural form of karyosome.
- karyotyped — Simple past tense and past participle of karyotype.
- karyotypes — Plural form of karyotype.