9-letter words containing o, s, t, i
- endpoints — Plural form of endpoint.
- enologist — An expert in the science of enology.
- enronitis — a situation in which large corporations fail to secure investment because they are suspected of fraud and mismanagement
- entoptics — the study of entoptic visions
- entropies — Plural form of entropy.
- epicotyls — Plural form of epicotyl.
- epidosite — a rock formed of quartz and epidote
- epilators — Plural form of epilator.
- epistoler — One of the clergy who reads the epistle at the communion service; an epistler.
- epistolet — a short letter
- epistolic — Relating to letters or epistles; in the form or style of letters; epistolary.
- epitomist — One who makes an epitome; one who abridges; an epitomizer.
- equations — Plural form of equation.
- erections — Plural form of erection.
- erosivity — the ability to cause erosion
- eroticise — Alternative spelling of eroticize.
- eroticism — The quality or character of being erotic.
- eroticist — one who indulges in eroticism
- eruptions — Plural form of eruption.
- escorting — Present participle of escort.
- escovitch — Alternative form of escoveitch.
- esoterica — Esoteric or highly specialized subjects or publications.
- esoterics — The study of esoterica.
- esoterism — The inward forms of faith and religion; transcendence, mystic experience, and internal realizations of the Divine.
- esotropia — A form of strabismus in which one or both eyes turns inward.
- esotropic — (of an eye) turning inwards
- estimator — A rule, method, or criterion for arriving at an estimate of the value of a parameter.
- estopping — Present participle of estop.
- estradiol — A major estrogen produced in the ovaries.
- etioplast — (biology) A chloroplast that has never been exposed to light.
- etoposide — (medicine) A derivative of podophyllotoxin that is used in the treatment of some cancers by inhibiting mitosis.
- evictions — Plural form of eviction.
- exactions — Plural form of exaction.
- exertions — Physical or mental effort.
- exonumist — a collector of exonumia
- exorcists — Plural form of exorcist.
- exostosis — A benign outgrowth of cartilaginous tissue on a bone.
- exoticism — (uncountable) The state of being exotic.
- exoticist — a person or thing which makes something (more) exotic
- exotoxins — Plural form of exotoxin.
- expositor — A person or thing that explains complicated ideas or theories.
- exsection — A cutting out or away.
- exsertion — Protrusion; thrusting outward.
- exsuction — The act of sucking out.
- extension — A part that is added to something to enlarge or prolong it; a continuation.
- exteriors — Plural form of exterior.
- extorsion — (medicine) An outward rotation of a limb, organ or part of the eye.
- extorsive — acting or tending to extort
- extrusion — A manufacturing process where a billet of material is pushed and/or drawn through a die to create a shaped rod, rail or pipe.
- facetious — not meant to be taken seriously or literally: a facetious remark.