9-letter words containing s, i, d, o
- hoydenism — The behaviour of a hoyden.
- humanoids — Plural form of humanoid.
- hybridous — of or relating to a hybrid
- hydro-ski — a hydrofoil attached to a seaplane to aid in takeoffs and landings.
- hymnodies — Plural form of hymnody.
- hymnodist — the singing or the composition of hymns or sacred songs.
- hysteroid — resembling hysteria.
- ideations — Plural form of ideation.
- ideograms — Plural form of ideogram.
- ideopolis — a city that is sustained primarily by intellectual enterprises such as education, the media, advertising, and design, with a highly educated workforce
- ideoscape — (according to w Arjun Appadurai) The global flow of ideologies.
- idioblast — a cell that differs greatly from the surrounding cells or tissue.
- idiocrasy — idiosyncrasy.
- idiograms — Plural form of idiogram.
- idiolects — Plural form of idiolect.
- idioplasm — germ plasm.
- idolaters — Plural form of idolater.
- idolators — Plural form of idolator.
- idolising — Present participle of idolise.
- idomeneus — a king of Crete who fought on the Greek side in the Trojan War
- il sodoma — (Giovanni Antonio de Bazzi) [jaw-vahn-nee-ahn-taw-nyaw-de-baht-tsee] /dʒɔˈvɑn ni ɑnˈtɔ nyɔ dɛˈbɑt tsi/ (Show IPA), 1477–1549, Italian painter.
- immodesty — not modest in conduct, utterance, etc.; indecent; shameless.
- impastoed — (painting) Painted with an impasto.
- incrossed — Simple past tense and past participle of incross.
- indeavors — Plural form of indeavor.
- indispose — to make ill, especially slightly.
- indonesia — East Indies (def 1).
- indubious — Not dubious or doubtful; certain.
- inductors — Plural form of inductor.
- infandous — (obsolete) Extremely odious.
- ingrossed — Simple past tense and past participle of ingross.
- innuendos — Plural form of innuendo.
- inodorous — not odorous; odorless.
- insectoid — Insect-like.
- inside of — on the inner side or part of; within: inside the circle; inside the envelope.
- insidious — intended to entrap or beguile: an insidious plan.
- insiduous — Misspelling of insidious.
- insolated — to expose to the sun's rays; treat by exposure to the sun's rays.
- inuendoes — Plural form of inuendo.
- invidious — calculated to create ill will or resentment or give offense; hateful: invidious remarks.
- ionosonde — a pulsed radar device used to measure the height of ionospheric layers.
- ironclads — Plural form of ironclad.
- ironsides — a strong person with great power of endurance or resistance.
- ironwoods — Plural form of ironwood.
- isandrous — having the stamens similar to each other and equal in number to the petals.
- isherwood — Christopher (William Bradshaw) [brad-shaw] /ˈbræd ʃɔ/ (Show IPA), 1904–86, English poet, novelist, and playwright; in the U.S. since 1938.
- isodomous — (in Greek history) relating to isodomon
- isohydric — having the same acidity or hydrogen-ion concentration
- isoniazid — a white, crystalline, water-soluble solid, C 6 H 7 N 3 O, used in the treatment of tuberculosis.
- ixodiasis — a disease that is transmitted by ticks, such as Rocky Mountain spotted fever