9-letter words containing s, i, o, u
- declivous — having a declining slope or gradient
- decurions — Plural form of decurion.
- decursion — a military exercise performed by men bearing arms
- deiparous — giving birth to a god
- delicious — very enjoyable; delightful
- delirious — Someone who is delirious is unable to think or speak in a sensible and reasonable way, usually because they are very ill and have a fever.
- delousing — Present participle of delouse.
- delusions — Plural form of delusion.
- depositum — (finance, obsolete) A deposit.
- desmodium — a genus of flowering plant, with usually unobtrusive flowers; many members are considered weeds, such as the beggarweed (Desmodium tortuosum)
- detrusion — the act of detruding.
- deviously — departing from the most direct way; circuitous; indirect: a devious course.
- dialogues — Plural form of dialogue.
- diandrous — (of some flowers or flowering plants) having two stamens
- dicacious — teasing and cheeky in the way one speaks
- diclinous — (of flowering plants) bearing unisexual flowers
- diffusion — act of diffusing; state of being diffused.
- dilutions — Plural form of dilution.
- dinosaurs — any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals.
- dioecious — (especially of plants) having the male and female organs in separate and distinct individuals; having separate sexes.
- dioestrus — diestrus.
- dionysius — ("the Elder") 431?–367 b.c, Greek soldier: tyrant of Syracuse 405–367.
- dipterous — Entomology. belonging or pertaining to the order Diptera, comprising the houseflies, mosquitoes, and gnats, characterized by a single, anterior pair of membranous wings with the posterior pair reduced to small, knobbed structures.
- dirhinous — having paired nostrils.
- discolour — Alternative spelling of discolor.
- discounts — Third-person singular simple present indicative form of discount.
- discoured — Simple past tense and past participle of discoure.
- discoures — Third-person singular simple present indicative form of discoure.
- discourse — communication of thought by words; talk; conversation: earnest and intelligent discourse.
- disfavour — unfavorable regard; displeasure; disesteem; dislike: The prime minister incurred the king's disfavor.
- dishclout — a cloth for use in washing dishes; dishrag.
- dishonour — lack or loss of honor; disgraceful or dishonest character or conduct.
- dishumour — to upset or offend
- dismounts — Plural form of dismount.
- disposure — disposal; disposition.
- disruptor — to cause disorder or turmoil in: The news disrupted their conference.
- dissolute — indifferent to moral restraints; given to immoral or improper conduct; licentious; dissipated.
- dividuous — Divided; dividual.
- divulsion — a tearing apart; violent separation.
- doujinshi — (anime, manga, video games) A fan-produced work, especially a manga, anime, or video game.
- dubiosity — dubiety.
- dubiously — doubtful; marked by or occasioning doubt: a dubious reply.
- duopolies — Plural form of duopoly.
- duotheism — Belief in and worship in two deities, usually framed as a god and goddess of roughly equal power.
- duotheist — A person who adheres to duotheism.
- dupondius — a coin of ancient Rome, equal to two asses.
- durations — Plural form of duration.
- echovirus — any of numerous retroviruses of the picornavirus group, some harmless and others associated with various human disorders, as aseptic meningitis.
- eductions — Plural form of eduction.
- effusions — the act of effusing or pouring forth.